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Timestamp: 2015-07-05 19:49:56
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Matched Legal Cases: ['Application No. 60', 'Application No. 97304971', 'Application No. 99308617', 'Application No. 99302232', 'Application No. 9912961', 'Application No. 239362']

Patent US8178693 - N3 alkylated benzimidazole derivatives as MEK inhibitors - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsDisclosed are compounds of the Formula and pharmaceutically acceptable salts and prodrugs thereof, wherein A, R1, R2, R7, R8, and R9 are as defined in the specification. Such compounds are MEK inhibitors and useful in the treatment of hyperproliferative diseases, such as cancer and inflammation, in mammals....http://www.google.com/patents/US8178693?utm_source=gb-gplus-sharePatent US8178693 - N3 alkylated benzimidazole derivatives as MEK inhibitorsAdvanced Patent SearchPublication numberUS8178693 B2Publication typeGrantApplication numberUS 12/824,559Publication dateMay 15, 2012Filing dateJun 28, 2010Priority dateMar 13, 2002Also published asCA2478374A1, CA2478374C, CN1652776A, CN100519539C, CN101486682A, CN101486682B, CN101633644A, CN101633644B, CN101633645A, CN101633645B, DE60330227D1, EP1482932A1, EP1482932A4, EP1482932B1, EP2130536A1, EP2130536B1, EP2130537A1, EP2130537B1, EP2275102A1, US7425637, US7576114, US7777050, US7973170, US8003805, US8193229, US8193230, US8193231, US8513293, US20030232869, US20050143438, US20080171778, US20080177082, US20100260714, US20100261717, US20100261718, US20100267710, US20100267793, US20110158971, US20120277277, WO2003077914A1Publication number12824559, 824559, US 8178693 B2, US 8178693B2, US-B2-8178693, US8178693 B2, US8178693B2InventorsEli M. Wallace, Joseph P. Lyssikatos, Allison L. Marlow, T. Brian HurleyOriginal AssigneeArray Biopharma Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (64), Classifications (71), Legal Events (1) External Links: USPTO, USPTO Assignment, EspacenetN3 alkylated benzimidazole derivatives as MEK inhibitors
US 8178693 B2Abstract
R1, R2, and R9 are independently selected from hydrogen, halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —OR3, —C(O)R3, —C(O)OR3, NR4C(O)OR6, —OC(O)R3, —NR4SO2R6, —SO2NR3R4, —NR4C(O)R3, —C(O)NR3R4, —NR5C(O)NR3R4, —NR5C(NCN)NR3R4, —NR3R4, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C3-C10 cycloalkylalkyl, —S(O)jC1-C6 alkyl), —S(O)j(CR4R5)m-aryl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, heterocyclylalkyl, —O(CR4R5)m-aryl, —NR4(CR4R5)m-aryl, —O(CR4R5)m-heteroaryl, —NR4(CR4R5)m-heteroaryl, —O(CR4R5)m-heterocyclyl and —NR4(CR4R5)m-heterocyclyl, where each alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heteroaryl and heterocyclyl portion is optionally substituted with one to five groups independently selected from oxo, halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR4SO2R6, —SO2NR3R4, —C(O)R3, —C(O)OR3, —OC(O)R3, —NR4C(O)OR6, —NR4C(O)R3, —C(O)NR3R4, —NR3R4, —NR5C(O)NR3R4, —NR5C(NCN)NR3R4, —OR3, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl;
R3 is selected from hydrogen, trifluoromethyl, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C3-C10 cycloalkylalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl, where each alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heteroaryl and heterocyclyl portion is optionally substituted with one to five groups independently selected from oxo, halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR′SO2R″″, —SO2NR′R″, —C(O)R′, —C(O)OR′, —OC(O)R, —NR′C(O)OR″″, —NR′C(O)R″, —C(O)NR′R″, —SR″″, —S(O)R″″, —SO2R′, —NR′R″, —NRC(O)NR″R′″, —NR′C(NCN)NR″R′″, —OR′, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl;
any two of R′, R″, R′″ or R″″ can be taken together with the atom to which they are attached to form a 4 to 10 membered heteroaryl or heterocyclic ring, each of which is optionally substituted with one to three groups independently selected from halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl; or R3 and R4 can be taken together with the atom to which they are attached to form a 4 to 10 membered heteroaryl or heterocyclic ring, each of which is optionally substituted with one to three groups independently selected from halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR′SO2R″″, —SO2NR′R″, —C(O)R′, —C(O)OR′, —OC(O)R′, —NR′C(O)OR″″, —NR′C(O)R″, —C(O)NR′R″, —SO2R″″, —NR′R″, —NR′C(O)NR″R′″, —NR′C(NCN)NR″R′″, —OR′, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl; or
R4 and R5 can be taken together with the atom to which they are attached to form a 4 to 10 membered carbocyclic, heteroaryl or heterocyclic ring, each of which is optionally substituted with one to three groups independently selected from halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR′SO2R″″, —SO2NR′R″, —C(O)R′, —C(O)OR′, —OC(O)R′, —NR′C(O)OR″″, —NR′C(O)R″, —C(O)NR′R″, —SO2R″″, —NR′R″, —NR′C(O)NR″R′″, —NR′C(NCN)NR″R′″, —OR′, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl;
R6 is selected from trifluoromethyl, C1-C10 alkyl, C3-C10 cycloalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl, where each alkyl, cycloalkyl, aryl, heteroaryl and heterocyclyl portion is optionally substituted with one to five groups independently selected from oxo, halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR′SO2R″″, —SO2NR′R″, —C(O)R′, —C(O)OR′, —OC(O)R′, —NR′C(O)OR″″, —NR′C(O)R″, —C(O)NR′R″, —SO2R″″, —NR′R′, —NR′C(O)NR″R′″, —NR′C(NCN)NR″R′″, —OR′, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl;
R7 is selected from C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C3-C10 cycloalkylalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl, where each alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heteroaryl and heterocyclyl portion is optionally substituted with one to five groups independently selected from oxo, halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR4SO2R6, —SO2NR3R4, —C(O)R3, —C(O)OR3, —OC(O)R3, —NR4C(O)OR6, —NR4C(O)R3, —C(O)NR3R4, —SO2R6, —NR3R4, —NR5C(O)NR3R4, —NR5C(NCN)NR3R4, —OR3, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl;
A is selected from —OR3 and —NR4OR3;
R8 is selected from —SCF3, —Cl, —Br, —F, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —OR3, —C(O)R3, —C(O)OR3, —NR4C(O)OR6, —OC(O)R3, —NR4SO2R6, —SO2NR3R4, —NR4C(O)R3, —C(O)NR3R4, —NR5C(O)NR3R4, —NR3R4, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C3-C10 cycloalkylalkyl, —S(O)j(C1-C6 alkyl), —S(O)j(CR4R5)m-aryl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, heterocyclylalkyl, —O(CR4R5)m-aryl, —NR4(CR4R5)m-aryl, —O(CR4R5)m-heteroaryl, —NR4(CR4R5)m-heteroaryl, —O(CR4R5)m-heterocyclyl and —NR4(CR4R5)m-heterocyclyl, where each alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heteroaryl and heterocyclyl portion is optionally substituted with one to five groups independently selected from oxo, halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR4SO2R6, —SO2NR3R4, —C(O)R3, —C(O)OR3, —OC(O)R3, —NR4C(O)OR6, —NR4C(O)R3, —C(O)NR3R4, —NR3R4, —NR5C(O)NR3R4, —NR5C(NCN)NR3R4, —OR3, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl;
R7 is C1-C10 alkyl, C3-C7 cycloalkyl, C3-C7 cycloalkylalkyl, C3-C7 heterocycloalkyl or C3-C7 heterocycloalkylalkyl, each of which can be optionally substituted with 1-3 groups independently selected from oxo, halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR4SO2R6, —SO2NR3R4, —C(O)R3, —C(O)OR3, —OC(O)R3, —SO2R6, —NR4C(O)OR6, —NR4C(O)R3, —C(O)NR3R4, —NR3R4, —NR5C(O)NR3R4, —NR5C(NCN)NR3R4, —OR3, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl;
R8 is —OCF3, —Cl, —Br, or —F.
8. A compound according to claim 2 wherein A is —NR4OR3.
R7 is C1-C10 alkyl, C3-C7 cycloalkyl, C3-C7 cycloalkylalkyl, C3-C7 heterocycloalkyl or C3-C7 heterocycloalkylalkyl, each of which can be optionally substituted with 1-3 groups independently selected from oxo, halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR4SO2R6, —SO2NR3R4, —C(O)R3, —C(O)OR3, —OC(O)R3, —SO2R6, —NR4C(O)OR6, —NR4C(O)R3, —C(O)NR3R4,—NR3R4, —NR5C(O)NR3R4, —NR5C(NCN)NR3R4, —OR3, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl;
R8 is —OCF3, —Br or —Cl, R2 is hydrogen, and R1 is C1-C10 alkyl or halogen;
10. A compound according to claim 9 wherein A is —NR4OR3.
14. A composition comprising a compound of claim 11 and a pharmaceutically acceptable carrier.
This application is a Continuation of U.S. application Ser. No. 12/050,827, filed Mar. 18, 2008, now issued as U.S. Pat. No. 7,777,050, which is a Continuation of U.S. application Ser. No. 11/061,336, filed Feb. 18, 2005, now U.S. Pat. No. 7,425,637, which is a Continuation of U.S. application Ser. No. 10/387,879, filed Mar. 13, 2003, now abandoned, which claims priority to U.S. Application No. 60/364,007, filed Mar. 13, 2002, each of which is incorporated herein by reference in its entirety.
R1, R2, R9 and R10 are independently selected from hydrogen, halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —OR3, —C(O)R3, —C(O)OR3, NR4C(O)OR6, —OC(O)R3, —NR4SO2R6, —SO2NR3R4, —NR4C(O)R3, —C(O)NR3R4, —NR5C(O)NR3R4, —NR5C(NCN)NR3R4, —NR3R4, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C3-C10 cycloalkylalkyl, —S(O)j (C1-C6 alkyl), —S(O)j (CR4R5)m-aryl, aryl, arylalkyl, heteoraryl, heteroarylalkyl, heterocyclyl, heterocyclylalkyl, —O(CR4R5)m-aryl, —NR4(CR4R5)m-aryl, —O(CR4R5)m-heteroaryl, —NR4(CR4R5)m-heteroaryl, —O(CR4R5)m, -heterocyclyl and —NR4(CR4R5)m-heterocyclyl, where each alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heteroaryl and heterocyclyl portion is optionally substituted with one to five groups independently selected from oxo, halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR4SO2R6, —SO2NR3R4, —C(O)R3, —C(O)OR3, —OC(O)R3, —NR4C(O)OR6, —NR4C(O)R3, —C(O)NR3R4, —NR3R4, —NR5C(O)NR3R4, —NR5C(NCN)NR3R4, —OR3, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl;
R3 is selected from hydrogen, trifluoromethyl, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, (CH2)nC3-C10 cycloalkyl, C3-C10 cycloalkylalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl, where each alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heteroaryl and heterocyclyl portion is optionally substituted with one to five groups independently selected from oxo, halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR′SO2R″″, —SO2NR′R″, —C(O)R′, —C(O)OR′, —OC(O)R′, —NR′C(O)OR″″, —NR′C(O)R″, —C(O)NR′R″, —SR′, —S(O)R″″, —SO2R″″, —NR′R″, —NR′C(O)NR″R′″, —NR′C(NCN)NR″R′″, —OR′, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl;
R3 and R4 can be taken together with the atom to which they are attached to form a 4 to 10 membered carbocyclic, heteroaryl or heterocyclic ring, each of which is optionally substituted with one to three groups independently selected from halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR′SO2R″″, —SO2NR′R″—C(O)R′, —C(O)OR′, —OC(O)R′, —NR′C(O)OR″″, —NR′C(O)R″, —C(O)NR′R″, —SO2R″″, —NR′R″, —NR′C(O)NR″R′″, —NR′C(NCN)NR″R′″, —OR′, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl; or
R4 and R5 together with the atom to which they are attached form a 4 to 10 membered carbocyclic, heteroaryl or heterocyclic ring, each of which is optionally substituted with one to three groups independently selected from halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR′SO2R′″, —SO2NR′R″, —C(O)R″″, —C(O)OR′, —OC(O)R′, —NR′C(O)OR″″, —NR′C(O)R″, —C(O)NR′R″, —SO2R″″, —NR′R″, —NR′C(O)NR″R′″, —NR′C(NCN)NR″R′″, —OR′, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl;
R7 is selected from hydrogen, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C3-C10 cycloalkylalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl, where each alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heteroaryl and heterocyclyl portion is optionally substituted with one to five groups independently selected from oxo, halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR4SO2R6, —SO2NR3R4, —C(O)R3, —C(O)OR3, —OC(O)R3, —NR4C(O)OR6, —NR4C(O)R3, —C(O)NR3R4, —SO2R3, —NR3R4, —NR5C(O)NR3R4, —NR5C(NCN)NR3R4, —OR3, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl;
W is selected from heteroaryl, heterocyclyl, —C(O)OR3, —C(O)NR3R4, —C(O)NR4OR3, —C(O)R4OR3, —C(O)(C3-C10 cycloalkyl), —C(O)(C1-C10 alkyl), —C(O)(aryl), —C(O)(heteroaryl) and —C(O)(heterocyclyl), each of which is optionally substituted with 1-5 groups independently selected from —NR3R4, —OR3, —R2, and C1-C10 alkyl, C2-C10 alkenyl, and C2-C10 alkynyl, each of which is optionally substituted with 1 or 2 groups independently selected from —NR3R4 and —OR3;
R8 is selected from hydrogen, —SCF3, —Cl, —Br, —F, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —OR3, —C(O)R3, —C(O)OR3, —NR4C(O)OR6, —OC(O)R3, —NR4SO2R6, —SO2NR3R4, —NR4C(O)R3, —C(O)NR3R4, —NR5C(O)NR3R4, —NR3R4, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C3-C10 cycloalkylalkyl, —S(O)j(C1-C6 alkyl), —S(O)J(CR4R5)m-aryl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, heterocyclylalkyl, —O(CR4R5)m-aryl, —NR4(CR4R5)m-aryl, —O(CR4R5)m-heteroaryl, —NR4(CR4R5)m-heteroaryl, —O(CR4R5)m-heterocyclyl and —NR4(CR4R5)m-heterocyclyl, where each alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heteroaryl and heterocyclyl portion is optionally substituted with one to five groups independently selected from oxo, halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR4SO2R6, —SO2NR3R4, —C(O)R3, —C(O)OR3, —OC(O)R3, —NR4C(O)OR6, —NR4C(O)R3, —C(O)NR3R4, —NR3R4, —NR5C(O)NR3R4, —NR5C(NCN)NR3R4, —OR3, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl;
The present invention also provides compounds of Formula I in which R7 is C1-C10 alkyl, C3-C7 cycloalkyl, C3-C7 cycloalkylalkyl, C3-C7 heterocycloalkyl or C3-C7 heterocycloalkylalkyl each of which can be optionally substituted with 1-3 groups independently selected from oxo, halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR4SO2R6, —SO2NR3R4, —C(O)R3, —C(O)OR3, —OC(O)R3, —SO2R3, —NR4C(O)OR6, —NR4C(O)R3, —C(O)NR3R4, —NR3R4, —NR5C(O)NR3R4, —NR5C(NCN)NR3R4, —OR3, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl.
The present invention also provides compounds of Formula I wherein R8 is —OCF3, —Br or —Cl, R2 is hydrogen, and R1 is lower alkyl or halogen.
The present invention also provides compounds of Formula I wherein W is —C(O)OR3 or —C(O)NR4OR3.
The present invention also provides compounds of Formula II in which R7 is C1-C10 alkyl, C3-C7 cycloalkyl or C3-C7 cycloalkylalkyl, each of which can be optionally substituted with 1-3 groups independently selected from oxo, halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR4SO2R6, —SO2NR3R4, —C(O)R3, —C(O)OR3, —OC(O)R3, —SO2R3, —NR4C(O)OR6, —NR4C(O)R3, —C(O)NR3R4, —NR3R4, —NR5C(O)NR3R4, —NR5C(NCN)NR3R4, —OR3, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl.
The present invention also provides compounds of Formula II wherein R8 is —OCF3, —Br or —Cl, and R1 is lower alkyl or halogen.
The present invention also provides compounds of Formula II wherein W is —C(O)OR3 or —C(O)NR4OR3.
wherein R1, R2, R7, R8 and R9 are as defined above for Formula I, and A is —OR3 or —NR4OR3, wherein R3 and R4 are as defined above for Formula I.
The present invention also provides compounds of Formula III in which R7 is C1-C10 alkyl, C3-C7 cycloalkyl or C3-C7 cycloalkylalkyl, each of which can be optionally substituted with 1-3 groups independently selected from oxo, halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR4SO2R6, —SO2NR3R4, —C(O)R3, —C(O)OR3, —OC(O)R3, —SO2R3, —NR4C(O)OR6, —NR4C(O)R3, —C(O)NR3R4, —NR3R4, —NR5C(O)NR3R4, —NR5C(NCN)NR3R4, —OR3, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl.
The present invention also provides compounds of Formula III wherein R8 is —OCF3, —Br or —Cl, R2 is hydrogen, and R1 is lower alkyl or halogen.
The present invention also provides compounds of Formula III wherein R3 is hydrogen or lower alkyl when A is —OR3; and R4 is hydrogen when A is —NR4OR3.
The present invention also provides compounds of Formula IIIa in which R7 is C1-C10 alkyl, C3-C7 cycloalkyl or C3-C7 cycloalkylalkyl, each of which can be optionally substituted with 1-3 groups independently selected from oxo, halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR4SO2R6, —SO2NR3R4, —C(O)R3, —C(O)OR3, —OC(O)R3, —SO2R3, —NR4C(O)OR6, —NR4C(O)R3, —C(O)NR3R4, —NR3R4, —NR5C(O)NR3R4, —NR5C(NCN)NR3R4, —OR3, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl.
The present invention also provides compounds of Formula IIIa wherein R8 is —OCF3, —Br or —Cl, R2 is hydrogen, and R1 is lower alkyl or halogen.
The present invention also provides compounds of Formula IIIa wherein R3 is hydrogen or lower alkyl when A is —OR3; and R4 is hydrogen when A is —NR4OR3.
wherein R1, R7, R8 and R9 are as defined above for Formula I, and A is —OR3 or —NR4OR3, wherein R3 and R4 are as defined above for Formula I.
The present invention also provides compounds of Formula IIIb in which R7 is C1-C10 alkyl, C3-C7 cycloalkyl or C3-C7 cycloalkylalkyl, each of which can be optionally substituted with 1-3 groups independently selected from oxo, halogen, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR4SO2R6, —SO2NR3R4, —C(O)R3, —C(O)OR3, —OC(O)R3, —SO2R3, —NR4C(O)OR6, —NR4C(O)R3, —C(O)NR3R4, —NR3R4, —NR5C(O)NR3R4, —NR5C(NCN)NR3R4, —OR3, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl.
The present invention also provides compounds of Formula IIIb wherein R8 is —OCF3, —Br or —Cl, and R1 is lower alkyl or halogen.
The present invention also provides compounds of Formula IIIb wherein R3 is hydrogen or lower alkyl when A is —OR3; and R4 is hydrogen when A is —NR4OR3.
By “C1-C10 alkyl”, “alkyl” and “lower alkyl” in the present invention is meant straight or branched chain alkyl groups having 1-10 carbon atoms, such as, methyl, ethyl, propyl, isopropyl, n-butyl, sec-butyl, tert-butyl, pentyl, 2-pentyl, isopentyl, neopentyl, hexyl, 2-hexyl, 3-hexyl, 3-methylpentyl, heptyl, octyl, and the like. Preferred alkyl radicals are C1-6 alkyl. More preferred alkyl radicals are C1-3 alkyl.
By “C2-C10 alkenyl”, “lower alkenyl” and “alkenyl” means straight and branched hydrocarbon radicals having from 2 to 10 carbon atoms and at least one double bond and includes ethenyl, propenyl, 1-but-3-enyl, 1-pent-3-enyl, 1-hex-5-enyl and the like. More preferred are lower alkenyl having 3-5 carbon atoms.
By “C2-C10 alkynyl”, “lower alkynyl” and “alkynyl” means straight and branched hydrocarbon radicals having from 2 to 10 carbon atoms and at least one triple bond and includes ethynyl, propynyl, butynyl, pentyn-2-yl and the like. More preferred are alkynyl having 3-5 carbon atoms.
By “aryl” is meant an aromatic carbocyclic group having a single ring (e.g., phenyl), multiple rings (e.g., biphenyl), or multiple condensed rings in which at least one is aromatic, (e.g., 1,2,3,4-tetrahydronaphthyl, naphthyl), which is optionally mono-, di-, or trisubstituted with, e.g., halogen, lower alkyl, lower alkoxy, trifluoromethyl, aryl, heteroaryl, and hydroxy.
By “heteroaryl” is meant one or more aromatic ring systems of 5-, 6-, or 7-membered rings which includes fused ring systems (at least one of which is aromatic) of 5-10 atoms containing at least one and up to four heteroatoms selected from nitrogen, oxygen, or sulfur. Examples of heteroaryl groups are pyridinyl, imidazolyl, pyrimidinyl, pyrazolyl, triazolyl, pyrazinyl, tetrazolyl, furyl, thienyl, isoxazolyl, thiazolyl, oxazolyl, isothiazolyl, pyrrolyl, quinolinyl, isoquinolinyl, indolyl, benzimidazolyl, benzofuranyl, cinnolinyl, indazolyl, indolizinyl, phthalazinyl, pyridazinyl, triazinyl, isoindolyl, pteridinyl, purinyl, oxadiazolyl, triazolyl, thiadiazolyl, thiadiazolyl, furazanyl, benzofurazanyl, benzothiophenyl, benzothiazolyl, benzoxazolyl, quinazolinyl, quinoxalinyl, naphthyridinyl, and furopyridinyl. Spiro moieties are also included within the scope of this definition. Heteroaryl groups are optionally mono-, di-, or trisubstituted with, e.g., halogen, lower alkyl, lower alkoxy, haloalkyl, aryl, heteroaryl, and hydroxy.
As used herein, the term “carbocycle”, “carbocyclyl”, “cycloalkyl” or “C3-C10 cycloalkyl” refers to saturated carbocyclic radicals having three to ten carbon atoms. The cycloalkyl can be monocyclic, or a polycyclic fused system, and can be fused to an aromatic ring. Examples of such radicals include cyclopropyl, cyclobutyl, cyclopentyl and cyclohexyl. The cycloalkyl groups herein are unsubstituted or, as specified, substituted in one or more substitutable positions with various groups. For example, such cycloalkyl groups may be optionally substituted with, for example, C1-C6 alkyl, C1-C6 alkoxy, halogen, hydroxy, cyano, nitro, amino, mono(C1-C6)alkylamino, di(C1-C6)alkylamino, C2-C6alkenyl, C2-C6alkynyl, Cr C6 haloalkyl, C1-C6 haloalkoxy, amino(C1-C6)alkyl, mono(C1-C6)alkylamino(C1-C6)alkyl or di(C1-C6)alkylamino(C1-C6)alkyl.
By “heterocycle” or “heterocyclyl” is meant one or more carbocyclic ring systems of 5-, 6-, or 7-membered rings which includes fused ring systems of 4-10 atoms containing at least one and up to four heteroatoms selected from nitrogen, oxygen, or sulfur, and with the proviso that the ring of the group does not contain two adjacent O or S atoms. A fused system can be a heterocycle fused to an aromatic group. Preferred heterocycles include, but are not limited to, pyrrolidinyl, tetrahydrofuranyl, dihydrofuranyl, tetrahydrothienyl, tetrahydropyranyl, dihydropyranyl, tetrahydrothiopyranyl, piperidino, morpholino, thiomorpholino, thioxanyl, piperazinyl, homopiperazinyl, azetidinyl, oxetanyl, thietanyl, homopiperidinyl, oxepanyl, thiepanyl, oxazepinyl, diazepinyl, thiazepinyl, 1,2,3,6-tetrahydropyridinyl, 2-pyrrolinyl, 3-pyrrolinyl, indolinyl, 2H-pyranyl, 4H-pyranyl, dioxanyl, 1,3-dioxolanyl, pyrazolinyl, dithianyl, dithiolanyl, dihydropyranyl, dihydrothienyl, dihydrofuranyl, pyrazolidinylimidazolinyl, imidazolidinyl, 3-azabicyco[3.1.0]hexanyl, 3-azabicyclo[4.1.0]heptanyl, azabicyclo[2.2.2]hexanyl, 3H-indolyl and quinolizinyl. Spiro moieties are also included within the scope of this definition. The foregoing groups, as derived from the groups listed above, may be C-attached or N-attached where such is possible. For instance, a group derived from pyrrole may be pyrrol-1-yl (N-attached) or pyrrol-3-yl (C-attached). Further, a group derived from imidazole may be imidazol-1-yl (N-attached) or imidazol-3-yl (C-attached). An example of a heterocyclic group wherein 2 ring carbon atoms are substituted with oxo (═O) moieties is 1,1-dioxo-thiomorpholinyl. The heterocycle groups herein are unsubstituted or, as specified, substituted in one or more substitutable positions with various groups. For example, such heterocycle groups may be optionally substituted with, for example, C1-C6 alkyl, C1-C6 alkoxy, halogen, hydroxy, cyano, nitro, amino, mono(C1-C6)alkylamino, di(C1-C6)alkylamino, C2-C6 alkenyl, C2-C6 alkynyl, C1-C6 halo alkyl, C1-C6 halo alkoxy, amino (C1-C6)alkyl, mono (C1-C6)alkylamino (C1-C6)alkyl or di(C1-C6)alkylamino (C1-C6)alkyl.
The term “arylalkyl” means an alkyl moiety (as defined above) substituted with one or more aryl moiety (also as defined above). More preferred arylalkyl radicals are aryl-C1-3-alkyls. Examples include benzyl, phenylethyl, and the like.
The term “heteroarylalkyl” means an alkyl moiety (as defined above) substituted with a heteroaryl moiety (also as defined above). More preferred heteroarylalkyl radicals are 5- or 6-membered heteroaryl-C1-3-alkyls. Examples include, oxazolylmethyl, pyridylethyl and the like.
The term “heterocyclylalkyl” means an alkyl moiety (as defined above) substituted with a heterocyclyl moiety (also defined above). More preferred heterocyclylalkyl radicals are 5- or 6-membered heterocyclyl-C1-3-alkyls. Examples include tetrahydropyranylmethyl.
The term “cycloalkylalkyl” means an alkyl moiety (as defined above) substituted with a cycloalkyl moiety (also defined above). More preferred heterocyclyl radicals are 5- or 6-membered cycloalkyl-C1-3-alkyls. Examples include cyclopropylmethyl.
The term “Me” means methyl, “Et” means ethyl, “Bu” means butyl and “Ac” means acetyl.
The phrase “pharmaceutically acceptable salt(s)”, as used herein, unless otherwise indicated, includes salts of acidic and basic groups which may be present in the compounds of the present invention. The compounds of the present invention that are basic in nature are capable of forming a wide variety of salts with various inorganic and organic acids. The acids that may be used to prepare pharmaceutically acceptable acid addition salts of such basic compounds of the present invention are those that form non-toxic acid addition salts, i.e., salts containing pharmaceutically acceptable anions, such as the acetate, benzenesulfonate, benzoate, bicarbonate, bisulfate, bitartrate, borate, bromide, calcium, camsylate, carbonate, chloride, clavulanate, citrate, dihydrochloride, edislyate, estolate, esylate, ethylsuccinate, fumarate, gluceptate, gluconate, glutamate, glycollylarsanilate, hexylresorcinate, hydrabamine, hydrobromide, hydrochloride, iodide, isothionate, lactate, lactobionate, laurate, malate, maleate, mandelate, mesylate, methylsulfate, mucate, napsylate, nitrate, oleate, oxalate, pamoate (embonate), palimitate, pantothenate, phosphate/diphosphate, polygalacturonate, salicylate, stearate, subacetate, succinate, tannate, tartrate, teoclate, tosylate, triethiodode, and valerate salts. Since a single compound of the present invention may include more than one acidic or basic moieties, the compounds of the present invention may include mono, di or tri-salts in a single compound.
In the compounds of the present invention, where terms such as (CR4R5)m or (CR4R5)t are used, R4 and R5 may vary with each iteration of m or t above 1. For instance, where m or t is 2, the terms (CR4R5)m, or (CR4R5)t may equal —CH2CH2— or —CH(CH3)C(CH2CH3)(CH2CH2CH3)— or any number of similar moieties falling within the scope of the definitions of R4 and R5.
Anti-angiogenesis agents, such as MMP-2 (matrix-metalloprotienase 2) inhibitors, MMP-9 (matrix-metalloprotienase 9) inhibitors, and COX-II (cyclooxygenase II) inhibitors, can be used in conjunction with a compound of the present invention and pharmaceutical compositions described herein. Examples of useful COX-II inhibitors include CELEBREX™ (alecoxib), valdecoxib, and rofecoxib. Examples of useful matrix metalloprotienase inhibitors are described in WO 96/33172, WO 96/27583, European Patent Application No. 97304971.1, European Patent Application No. 99308617.2, WO 98/07697, WO 98/03516, WO 98/34918, WO 98/34915, WO 98/33768, WO 98/30566, European Patent Publication 606,046, European Patent Publication 931,788, WO 90/05719, WO 99/52910), WO 99/52889, WO 99/29667, PCT International Application No. PCT/IB98/01113, European Patent Application No. 99302232.1, Great Britain Patent Application No. 9912961.1, U.S. Pat. Nos. 5,863,949, 5,861,510, and European Patent Publication 780,386, all of which are incorporated herein in their entireties by reference. Preferred MMP-2 and MMP-9 inhibitors are those that have little or no activity inhibiting MMP-1. More preferred, are those that selectively inhibit MMP-2 and/or MMP-9 relative to the other matrix-metalloproteinases (i.e., MMP-1, MMP-3, MMP-4, MMP-5, MMP-6, MMP-7, MMP-8, MMP-10, MMP-11, MMP-12, and MMP-13).
The terms “abnormal cell growth” and “hyperproliferative disorder” are used interchangeably in this application.
“Abnormal cell growth”, as used herein, unless otherwise indicated, refers to cell growth that is independent of normal regulatory mechanisms (e.g., loss of contact inhibition). This includes, for example, the abnormal growth of: (1) tumor cells (tumors) that proliferate by expressing a mutated tyrosine kinase or overexpression of a receptor tyrosine kinase; (2) benign and malignant cells of other proliferative diseases in which aberrant tyrosine kinase activation occurs; (3) any tumors that proliferate by receptor tyrosine kinases; (4) any tumors that proliferate by aberrant serine/threonine kinase activation; and (5) benign and malignant cells of other proliferative diseases in which aberrant serine/theroine kinase activation occurs.
The active compound may be applied as a sole therapy or may involve one or more other anti-tumor substances, for example those selected from, for example, mitotic inhibitors, for example vinblastine; alkylating agents, for example cis-platin, carboplatin and cyclophosphamide; anti-metabolites, for example 5-fluorouracil, cytosine arabinside and hydroxyurea, or, for example, one of the preferred anti-metabolites disclosed in European Patent Application No. 239362 such as N-(5-[N-(3,4-dihydro-2-methyl-4-oxoquinazolin-6-ylmethyl)-N-methylamino]-2-thenoyl)-L-glutamic acid; growth factor inhibitors; cell cycle inhibitors; intercalating antibiotics, for example adriamycin and bleomycin; enzymes, for example, interferon; and anti-hormones, for example anti-estrogens such as Nolvadex™ (tamoxifen) or, for example anti-androgens such as Casodex™ (4′-cyano-3-(4-fluorophenylsulphonyl)-2-hydroxy-2-methyl-3′-(trifluoromethyl)propionanilide). Such conjoint treatment may be achieved by way of the simultaneous, sequential or separate dosing of the individual components of treatment.
7-Fluoro-6-(4-bromo-2-methyl-phenylamino)-3H-benzoitnidazole-5-carboxylic acid cyclopropylmethoxy-amide (11a)
Step A: 2,3,4-Trifluoro-5-nitro-benzoic acid 2: A 3 liter three neck round bottom flask is charged with 125 mL H2SO4. Fuming nitric acid is added (8.4 mL, 199 mmol) and the mixture gently stirred. 2,3,4-Trifluorobenzoic acid 1 (25 g, 142 mmol) is added in 5 g portions over 90 minutes. The dark brownish yellow solution is stirred for 60 minutes at which time the reaction is complete. The reaction mixture is poured into 1 liter of an ice water mixture and extracted with diethyl ether (3�600 mL). The combined organic extracts are dried (MgSO4) and concentrated under reduced pressure to give a yellow solid. The solid is suspended in hexanes and stirred for 30 minutes after which time it is filtered to give 29 g (92%) of clean desired product as an off-yellow solid: MS APCI (−) m/z 220 (M−1) detected.
Step B: 4-Amino-2,3-difluoro-5-nitro-benzoic acid 3: Ammonium hydroxide solution (˜30% in water) (35 mL, 271 mmol) is added to a solution of 2,3,4-trifluoro-5-nitro-benzoic acid 2 (15 g, 67.8 mmol) in 30 mL water at 0� C. with stirring. Upon completion of ammonium hydroxide addition the reaction mixture is warmed to room temperature with stirring. After 2.5 hours, the reaction mixture is cooled to 0� C. and concentrated HCl is carefully added until pH of reaction mixture is near 0. The reaction mixture is diluted with water (30 mL) and extracted with diethyl ether (3�50 mL). The combined organic extracts are dried (MgSO4) and concentrated under reduced pressure to give 14 g (95%) of pure desired product: MS APCI (−) m/z 217 (M−1) detected.
Step H: 7-Fluoro-6-(4-bromo-2-methyl-phenylamino)-1H-benzoimidazole-5-carboxylic acid cyclopropylmethoxy-amide 11a: 7-Fluoro-6-(4-bromo-2-methyl-phenylamino)-1H-benzoimidazole-5-carboxylic acid 10a (48 mg, 0.132 mmol) is dissolved in 1:1 THF: methylene chloride (1 mL) and Hunig's base (0.23 μL, 1.32 mmol) is added followed by PyBOP (82 mg, 0.158 mmol). After a few minutes, cyclopropyl methyl hydroxylamine hydrochloride (20 mg, 0.158 mmol) (WO 00/42022) is added. After the reaction is complete, the mixture is partitioned between methylene chloride and saturated NaHCO3 solution. The layers are separated and the organic layer is washed with saturated NaHCO3 and brine. The organic layer is dried (Na2SO4) and concentrated under reduced pressure. After purification by FCC (elute with 20:1 methylene chloride/MeOH), 25 mg (45%) of pure desired product is isolated: MS ESI (+) m/z 435, 433 (M+1 Br pattern) detected; MS ESI (−) m/z 433, 431 (M−1 Br pattern) detected; 1H NMR (400 MHz, CDCl3) δ 8.15 (s, 1H), 8.02 (s, 1H), 7.28 (s, 1H), 7.43 (d, 1H), 7.07 (dd, 1H), 6.36 (m, 1H), 3.70 (d, 2H), 2.38 (s, 3H), 0.86 (m, 1H), 0.41 (m, 2H), 0.13 (m, 2H); 19F NMR (376 MHz, CDCl3-134.05 (s).
7-Fluoro-6-phenylamino-3H-benzoitnidazole-5-carboxylic acid methyl ester (27a)
6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3H-benzoitnidazole-5-carboxylic acid methyl ester (8b)
Step A: 6-(4-Bromo-phenylamino)-7-fluoro-3H-benzoimidazole-5-carboxylic acid methyl ester 28a: 7-Fluoro-6-phenylamino-3H-benzoimidazole-5-carboxylic acid methyl ester 27a (4.99 g, 17.51 mmol) is dissolved in N,N-dimethylformamide (275 mL). N-bromosuccinimide (3.15 g, 17.70 mmol) is added as a solid and the reaction mixture is stirred at room temperature under N2. After 30 minutes, the reaction mixture is quenched by the addition of aqueous saturated sodium bisulfite solution. The reaction mixture is then poured into a reparatory funnel, diluted with water and ethyl acetate and the layers separated. The aqueous layer is extracted with ethyl acetate. The combined organic extracts are washed three times with water, once with brine and then are dried (Na2SO4) and concentrated under reduced pressure to yield 6.38 g (100%) of the pure desired product as a tan solid. MS ESI (+) m/z 364, 366 (M+Br pattern) detected.
6-(2,4-Dichloro-phenylamino)-7-fluoro-3H-benzoitnidazole-5-carboxylic acid methyl ester (8c)
6-(4-Bromo-2-fluoro-phenylamino)-7-fluoro-3H-benzoitnidazole-5-carboxylic acid methyl ester (8d)
Step A: 4-Amino-3-fluoro-2-(2-fluoro-phenylamino)-5-nitro-benzoic acid methyl ester 5b: 4-Amino-2,3-difluoro-5-nitro-benzoic acid methyl ester 4 (1.50 g, 6.46 mmol) is suspended in xylenes (7.5 mL) and 2-fluoro-phenylamine (6.24 mL, 64.6 mmol) is added. The reaction mixture is stirred at 140� C. under N2. After stirring for 6 days, the reaction is complete. The reaction mixture is cooled to room temperature and diluted with methylene chloride and filtered through a silica gel plug eluting with methylene chloride (1L) to give an orange filtrate. The filtrate is concentrated to dryness and then triturated with diethyl ether to yield a bright yellow solid. The trituration is repeated. The yellow solid is collected to yield 1.08 g (52%) of the pure desired product. MS APCI (−) m/z 322 (M−1) detected.
6-(4-Chloro-2-methyl-phenylamino)-7-fluoro-3H-benzoitnidazole-5-carboxylic acid methyl ester (8e)
7-Fluoro-6-(2-methyl-4-trifluoromethoxy-phenylamino)-3H-benzoitnidazole-5-carboxylic acid methyl ester (8f)
Step A. 4-Amino-3-fluoro-2-(2-methyl-4-trifluoromethoxy-phenylamino)-5-nitro-benzoic acid methyl ester 12a: 4-Amino-2,3-difluoro-5-nitro-benzoic acid methyl ester 4 (0.50 g, 2.15 mmol) is suspended in xylenes (3 mL) and 2-methyl-4-trifluoromethoxy-phenylamine (1.00 g, 5.23 mmol) is added. The reaction mixture is stirred at 140� C. under N2. After stirring for 7 days, the reaction is a mixture of starting material and product. The reaction mixture is cooled to room temperature. The reaction mixture is poured into a separatory funnel and diethyl ether and 10% aqueous HCl are added and the layers separated.
6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3H-benzoitnidazole-5-carboxylic acid cyclopropylmethoxy-amide (11b)
6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3-methyl-3H-benzoitnidazole-5-carboxylic acid (2-hydroxy-ethoxy)-amide (29c)
Step A: 6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3-methyl-3H-benzoimidazole-5-carboxylic acid methyl ester 9a and 6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-1-methyl-1H-benzoimidazole-5-carboxylic acid methyl ester: A solution of 6-(4-bromo-2-chloro-phenylamino)-7-fluoro-3H-benzoimidazole-5-carboxylic acid methyl ester 8b (150 mg, 0.38 mmol), iodomethane (28 μL, 0.45 mmol) and potassium carbonate (78 mg, 0.56 mmol) in dimethylformamide (1.5 mL) is stirred at 75� C. for one hour. The reaction mixture is diluted with ethyl acetate, washed with saturated aqueous potassium carbonate (2�), brine, and dried (Na2SO4). Flash column chromatography (20:1 methylene chloride/ethyl acetate) provides 56 mg (36%) of the more mobile 6-(4-bromo-2-chloro-phenylamino)-7-fluoro-3-methyl-3H-benzoimidazole-5-carboxylic acid methyl ester 9a as a white solid. 19F NMR (376 MHz, CD3OD)-133.5 (s). MS APCI (+) m/z 412, 414 (M+, Br pattern) detected. Also isolated is 54 mg (35%) of 6-(4-bromo-2-chloro-phenylamino)-7-fluoro-1-methyl-1H-benzoimidazole-5-carboxylic acid methyl ester as a white solid. 19F NMR (376 MHz, CD3OD)-139.9 (s). MS APCI (+) m/z 412, 414 (M+, Br pattern) detected.
6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3-methyl-3H-benzoitnidazole-5-carboxylic acid (2,3-dihydroxy-propoxy)-amide (29hhh)
To a solution of 6-(4-bromo-2-chloro-phenylamino)-7-fluoro-3-methyl-3H-benzoimidazole-5-carboxylic acid allyloxy-amide 29tt (20 mg, 0.04 mmol) in 0.50 mL 4:1 tetrahydrofuran/water is added OsO4 (41 μL, 0.054 M solution in t-BuOH, 0.002 mmol) followed by NMO (7 mg, 0.06 mmol). The solution is stirred at room temperature for eight hours after which time HPLC analysis showed complete conversion to product. The solution is then stirred with saturated NaHSO3 and diluted with ethyl acetate. The organic phase is dried (Na2SO4). Purification by FCC (DCM->20:1 DCM/MeOH) provided 16 mg desired product as an off-white solid. MS ESI (+) m/z 487, 489 (M+, Br pattern) detected.
6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3-methyl-3H-benzoitnidazole-5-carboxylic acid (3,4-dihydroxy-butoxy)-amide (29iii)
6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3-methyl-3H-benzoitnidazole-5-carboxylic acid (2-methylamino-ethoxy)-amide TFA salt (29jjj)
Prepared from (2-{[6-(4-bromo-2-chloro-phenylamino)-7-fluoro-3-methyl-3H-benzoimidazole-5-carbonyl]-aminooxy}-ethyl)-methyl-carbamic acid tert-butyl ester 29ww by trifluoroacetic acid deprotection in methylene chloride. MS APCI (+) m/z 470, 472 (M+, Br pattern) detected; 1F NMR (400 MHz, CD3OD) δ 8.31 (s, 1H), 7.74 (s, 1H), 7.51 (d, 1H), 7.19 (dd, 1H), 6.39 (dd, 1H), 4.11 (m, 2H), 3.97 (s, 3H), 3.12 (m, 2H), 2.72 (s, 3H); 19F NMR (376 MHz, CD3OD)-77.41 (s, 3F),-134.79 (s, 1F).
6-(4-Bromo-2-methyl-phenylamino)-7-fluoro-3-[4-(4-methyl-piperazin-1-yl)-butyl]-3H-benzoitnidazole-5-carboxylic acid cyclopropylmethoxy-amide (11o)
6-(4-Bromo-2-methyl-phenylamino)-3-[4-(1,1-dioxo-1λ6-thiomorpholin-4-yl)-butyl]-7-fluoro-3H-benzoitnidazole-5-carboxylic acid cyclopropylmethoxy-amide (18cc)
6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3-[4-(4-methyl-piperazin-1-yl)-butyl]-3H-benzoitnidazole-5-carboxylic acid cyclopropylmethoxy-amide (18dd)
6-(4-Chloro-2-methyl-phenylamino)-7-fluoro-3-oxazol-5-ylmethyl-3H-benzoitnidazole-5-carboxylic acid cyclopropylmethoxy-amide (18ggg)
6-(4-Chloro-2-methyl-phenylamino)-7-fluoro-3-(2-oxo-ethyl)-3H-benzoimidazole-5-carboxylic acid cyclopropylmethoxy-amide (0.020 g, 0.046 mmol) is dissolved in methanol (2 mL). Potassium carbonate (0.013 g, 0.093 mmol) and 1-isocyanomethanesulfonyl-4-methyl-benzene (0.010 g, 0.051 mmol) are added. The reaction mixture is stirred at reflux for 16 hours under N2, then concentrated under reduced pressure. The residue is dissolved in ethyl acetate and poured into a separatory funnel and washed with water and brine. The combined aqueous layers are reextracted with ethyl acetate (2�). The combined ethyl acetate layers are dried (Na2SO4,) and concentrated under reduced pressure. The resulting solid was purified by flash column chromatography (eluting with 15:1 methylene chloride:methanol) to yield 0.011 g (50%) of the desired product. MS APCI (+) m/z 470, 472 (M+, Cl pattern) detected; 1H NMR (400 MHz, CDCl3) δ 10.51 (br s, 1H), 8.07 (s, 1H), 8.02 (s, 1H), 7.89 (s, 1H), 7.23 (s, 1H), 7.15 (d, 1H), 6.92 (dd, 1H), 6.31 (d, 1H), 6.11 (br s, 1H), 5.45 (s, 2H), 3.62 (d, 2H), 2.40 (s, 3H), 0.87 (m, 1H), 0.49 (m, 2H), 0.20 (m, 2H).
6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3-(3-oxo-3-pyrrolidin-1-yl-propyl)-3H-benzoitnidazole-5-carboxylic acid cyclopropylmethoxy-amide (18hhh)
Step D: 6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3-(3-oxo-3-pyrrolidin-1-yl-propyl)-3H-benzoimidazole-5-carboxylic acid: To a solution of 6-(4-bromo-2-chloro-phenylamino)-7-fluoro-3-(3-oxo-3-pyrrolidin-1-yl-propyl)-3H-benzoimidazole-5-carboxylic acid methyl ester (41 mg, 0.079 mmol) in THF/H2O (1.5 mL/0.75 mL) is added 0.20 mL (0.20 mmol) of 1 N aqueous LiOH at room temperature. The resulting solution is stirred 16 hours. The reaction mixture is acidified with 1 N aqueous HCl (pH ˜2 to 3) and diluted with EtOAc. The organic layer is dried over MgSO4, filtered, and concentrated in vacuo to give a crude product (42 mg) which is directly used without further purification.
6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3-(tetrahydro-pyran-2-ylmethyl)-3H-benzoitnidazole-5-carboxylic acid (2-hydroxy-ethoxy)-amide (11p)
Step D: 6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3-(tetrahydro-pyran-2-ylmethyl)-3H-benzoimidazole-5-carboxylic acid (2-hydroxy-ethoxy)-amide 11p: 6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3-(tetrahydro-pyran-2-ylmethyl)-3H-benzoimidazole-5-carboxylic acid (2-vinyloxy-ethoxy)-amide 11s (0.039 g, 0.068 mmol) is dissolved in ethanol (2 mL) and aqueous 2 M HCl (200 uL) is added. The reaction mixture is stirred at room temperature for 30 minutes. The reaction mixture is diluted with water and then neutralized with aqueous 2 M NaOH (˜200 uL) until pH 7 and concentrated under reduced pressure. The residue is partitioned between ethyl acetate and brine in a separatory funnel and the layers separated. The ethyl acetate layer is dried (Na2SO4) and concentrated under reduced pressure to yield 0.034 g (91%) of the pure desired product as an off-white solid. MS ESI (+) m/z 541, 543 (M+, Br pattern) detected; 1H NMR (400 MHz, CD3OD) δ 8.29 (s, 1H), 7.75 (s, 1H), 7.49 (d, 1H), 7.18 (dd, 1H), 6.40 (dd, 1H), 4.40 (dd, A of ABX pattern, 1H), 4.28 (dd, B of ABX pattern, 1H), 3.92 (m, X of ABX pattern, 1H), 3.66 (t, 2H), 3.35 (m, 1H), 1.89 (m, 1H), 1.76 (m, 1H), 2.28 (s, 3H), 1.54 (m, 3H), 1.30 (m, 1H). 19F NMR (376 MHz, CD3OD)-134.87 (s).
Step A: 6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3-(2-methanesulfonyl-ethyl)-3H-benzoimidazole-5-carboxylic acid methyl ester 11cc: 6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3H-benzoimidazole-5-carboxylic acid methyl ester 8b (1.55 g, 3.89 mmol) is dissolved in 15 mL DMF under N2. K2CO3 (0.70 g, 5.06 mmol) is added followed by methyl vinyl sulfone (0.41 mL, 4.67 mmol). After stirring 16 hours at room temperature, the reaction mixture is diluted with ethyl acetate and water. The layers are separated and the organic layer is washed with water (3�) and brine. The combined aqueous washes are extracted with ethyl acetate. The combined organic extracts are dried (MgSO4) and concentrated under reduced. Purification by dissolving the residue in methylene chloride and precipitating with diethyl ether, repeated several times, provides 1.16 g (59%) pure desired product as a yellow solid: MS APCI (+) m/z 506, 504 (M+Br pattern) and 400, 398 (M-methyl ethyl sulfone Br pattern).
Step B: 6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3-(2-methanesulfonyl-ethyl)-3H-benzoimidazole-5-carboxylic acid cyclopropylmethoxy-amide 11bb: 6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3-(2-methanesulfonyl-ethyl)-3H-benzoimidazole-5-carboxylic acid methyl ester 11cc is subjected to methods previously described to give 6-(4-bromo-2-chloro-phenylamino)-7-fluoro-3-(2-methanesulfonyl-ethyl)-3H-benzoimidazole-5-carboxylic acid cyclopropylmethoxy-amide: MS APCI (+) m/z 561, 559 (M+Br pattern) and MS APCI (−) m/z 559, 557 (M− Br pattern) detected; 1H NMR (400 MHz, DMSO-d6) δ11.75 (s, 1H), 8.47 (s, 1H), 8.04 (s, 1H), 7.77 (s, 1H), 7.62 (d, 1H), 7.28 (dd, 1H), 6.40 (dd, 1H), 4.78 (t, 2H), 3.82 (t, 2H), 3.62 (d, 2H), 3.07 (s, 3H), 1.02 (m, 1H), 0.49 (m, 2H), 0.21 (m, 2H); 19F NMR (376 MHz, DMSO-d6)-132.66 (s).
Step A: 6-(4-Bromo-2-methyl-phenylamino)-7-fluoro-3H-benzoimidazole-5-carboxylic acid hydrazide 20a: 6-(4-Bromo-2-methyl-phenylamino)-7-fluoro-3H-benzoimidazole-5-carboxylic acid methyl ester 8a (0.051 g, 0.135 mmol) is suspended in EtOH (5 mL) and hydrazine hydrate (0.118 g, 2.023 mmol) is added. The reaction mixture is heated at reflux for 16 hours. The reaction mixture is concentrated under reduced pressure and purified by FCC eluted with 97:3 ethyl acetate:MeOH to give 0.041 g (81%) of clean desired product: LC/MS ESI (+) m/z 378, 380 (M+Br pattern) detected.
[6-(5-Amino-[1,3,4]oxadiazol-2-yl)-4-fluoro-1H-benzoimidazol-5-yl]-(4-bromo-2-chloro-phenyl)-amine 24c is prepared as described in example 31 starting with 6-(4-bromo-2-chloro-phenylamino)-7-fluoro-3H-benzoimidazole-5-carboxylic acid methyl ester 8b. MS APCI (+) m/z 425, 423 (M+Br pattern) and MS APCI (−)m/z 423, 421 (M− Br pattern) detected.
6-(4-Chloro-2-methyl-phenylamino)-7-fluoro-3H-benzoitnidazole-5-carboxylic acid hydrazide (20b)
6-(4-Chloro-2-methyl-phenylamino)-7-fluoro-3H-benzoimidazole-5-carboxylic acid hydrazide 20b is prepared as described in example 31, step A from 6-(4-chloro-2-methyl-phenylamino)-7-fluoro-3H-benzoimidazole-5-carboxylic acid methyl ester 8e. LC/MS ESI (+) m/z 334, 336 (M+ Cl pattern) detected; 1H NMR (400 MHz, DMSO-d6) δ 13.09 (bs, 1H), 9.98 (s, 1H), 8.40 (s, 1H), 8.17 (bs, 1H), 7.64 (bs, 1H), 7.20 (s, 1H), 7.03 (d, 1H), 6.41 (bs, 1H), 4.49 (s, 2H), 2.23 (s, 3H).
6-(4-Chloro-2-methyl-phenylamino)-7-fluoro-3H-benzoimidazole-5-carboxylic acid hydrazide 20b (0.050 g, 0.150 mmol) is suspended in 3 mL absolute EtOH and cooled to 0� C. under N2. CS2 is added (26 mg, 0.346 mmol) followed by powdered KOH (8 mg, 0.150 mmol). After stirring at 0� C. for 30 minutes, the reaction mixture is heated to reflux. After 3.5 hours, the reaction mixture is quenched by the addition of water, followed by the addition of ethyl acetate and 1N HCl. The layers are separated and the aqueous layer is extracted with ethyl acetate. The combined organic extracts are dried (Na2SO4) and concentrated under reduced pressure to give the desired product as a yellow solid: LC/MS ESI (+) m/z 376, 378 (M+Cl pattern) detected; 1H NMR (400 MHz, DMSO-d6) δ 8.51 (s, 1H), 7.92 (s, 1H), 7.19 (s, 1H), 7.12 (s, 1H), 6.98 (d, 1H), 6.29 (d, 1H), 2.28 (s, 3H).
6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3H-benzoitnidazole-5-carboxylic acid methylamide (11oo)
6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3H-benzoimidazole-5-carboxylic acid 10c (0.029 g, 0.076 mmol) is dissolved in N,N-dimethylformamide (1.1 mL). HOBT (0.016 g, 0.10 mmol), triethylamine (0.028 mL, 0.20 mmol), methylamine (0.059 mL, 0.12 mmol, 2 M solution in tetrahydrofuran), and EDCI (0.019 g, 0.10 mmol) are added consecutively to the reaction mixture at room temperature. The solution is stirred at room temperature for 16 hours under N2. The reaction mixture is poured into a separatory funnel and diluted with ethyl acetate and water and the layers separated. The ethyl acetate layer is washed successively with aqueous saturated NH4Cl (2�), brine (1�), aqueous saturated sodium bicarbonate (2�), water (1�), and brine (1�), dried (MgSO4) and concentrated under reduced pressure. The resulting solid is purified by FCC (eluting with 19:1 methylene chloride:methanol) to yield 0.013 g (42%) of the pure desired product. MS APCI (+) m/z 397, 399 (M+, Br pattern) detected; 1H NMR (400 MHz, DMSO-d6) δ 8.76 (broad s, 1H), 8.69 (m, 1H), 8.41 (s, 1H), 7.76 (s, 1H), 7.63 (d, 1H), 7.30 (dd, 1H), 6.50 (dd, 1H), 2.76 and 2.75 (s and s, 3H total, amide rotamers). 19F NMR (376 MHz, DMSO-d6)-132.69 (s).
[6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3H-benzoimidazol-5-yl]-methanol(10e)
6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3H-benzoimidazole-5-carboxylic acid methyl ester 8b (1.06 g, 2.65 mmol) is suspended in tetrahydrofuran (25 mL) and cooled to −78� C. Lithium aluminum hydride (8.03 mL, 8.03 mmol, 1M solution in tetrahydrofuran) is added dropwise to the reaction mixture. After stirring for 10 minutes at −78� C., the reaction mixture is warmed to 0� C. and becomes a homogeneous solution. The reaction mixture is stirred for 5 minutes at 0� C. and then cooled again to −78� C. The reaction mixture is quenched with MeOH, diluted with Rochelle's salt, warmed to room temperature and stirred for 1 hour. The reaction mixture is then poured into a separatory funnel, diluted with ethyl acetate, and the layers separated. The aqueous phase is extracted with ethyl acetate. The combined ethyl acetate layers are dried (Na2SO4) and concentrated under reduced pressure to yield 0.98 g (100%) of the pure desired product as a pale yellow solid.
[6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3H-benzoimidazol-5-yl]-methanol 10e (0.96 g, 2.58 mmol) is dissolved in tetrahydrofuran/acetone (1:1, 15 mL), and MnO2 (2.24 g, 25.8 mmol) is added. The reaction mixture is stirred at 50� C. for 10 hours under N2. The reaction mixture is filtered through silica gel and eluted with methylene chloride/methanol (10:1, 1 L). The filtrate is concentrated under reduced pressure to a small volume and then filtered through an Acrodisc syringe filter to remove small amounts of MnO2 that passed through the silica gel. The filtrate is concentrated under reduced pressure and the residue is purified by flash column chromatography (eluting with 20:1 methylene chloride:methanol) to yield 0.81 g (85%) of the pure desired product as a bright yellow solid.
MS ESI (+) m/z 368, 370 (M+, Br pattern) detected.
1-[6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3-methyl-3H-benzoimidazol-5-yl]-2-hydroxy-ethanone (10 g)
2-Benzyloxy-1-[6-(4-bromo-2-chloro-phenylamino)-7-fluoro-M-benzoimidazol-5-yl]-ethanone (10q)
To a solution of 2-bromopyridine (0.10 mL, 1.04 mmol) in THF (3 mL) at −78� C. is added n-BuLi (0.39 mL, 0.98 mmol, 2.5 M solution in hexane). After stirring for 10 minutes at −78� C., a solution of 6-(4-bromo-2-chloro-phenylamino)-7-fluoro-3-methyl-3H-benzoimidazole-5-carbaldehyde 10h (25 mg, 0.064 mmol) in THF (1 mL) is added. The resulting reaction mixture is stirred for 1.5 hours at −78� C., quenched with saturated aqueous NH4Cl, and extracted with EtOAc. The organic layer is dried over MgSO4, filtered, concentrated in vacuo, and purified by flash chromatography (2.5% MeOH in CH2Cl2) to afford the desired product (18 mg, 62%): MS APCI (+) m/z 461, 463 (M+, Br pattern) detected; 1H NMR (400 MHz, CD3OD) δ 8.31 (d, 1H), 8.16 (s, 1H), 7.65 (m, 3H), 7.38 (d, 1H), 7.10 (m, 1H), 7.00 (dd, 1H), 6.11 (dd, 1H), 6.05 (s, 1H), 3.94 (s, 3H); 19F NMR (376 MHz, CD3OD)-135.79 (s).
(4-Bromo-2-chloro-phenyl)-(4-fluoro-6-oxazol-5-yl-1H-benzoimidazol-5-yl)-amine (10�)
Step A: [6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3-(2-methanesulfonyl-ethyl)-3H-benzoimidazol-5-yl]-methanol 10y: 6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3-(2-methanesulfonyl-ethyl)-3H-benzoimidazole-5-carboxylic acid methyl ester 11cc (0.300 g, 0.594 mmol) is suspended in a mixture of EtOH (6 mL) and THF (4 mL) under N2. NaBH4 (0.112 g, 2.97 mmol) is added. After approximately 4 days stirring, reaction mixture is quenched by the addition of AcOH until the reaction mixture reaches pH 7. The reaction mixture is concentrated to dryness under reduced pressure and the residue partitioned between ethyl acetate and water. The layers are separated and the organic layer is washed with water (3�), brine, and dried (Na2SO4). The organic layer is concentrated under reduced pressure until a white precipitate forms which is collected by filtration to give 0.225 g (79%) clean desired product: LC/MS ESI (+) m/z 478, 476 (M+Br pattern) detected.
Step A: (4-Bromo-2-chloro-phenyl)-{4-fluoro-1-(2-methanesulfonyl-ethyl)-6-[4-(toluene-4-sulfonyl)-4,5-dihydro-oxazol-5-yl]-1H-benzoimidazol-5-yl}-amine 10bb: 6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-3-(2-methanesulfonyl-ethyl)-3H-benzoimidazole-5-carbaldehyde 10z (0.050 g, 0.107 mmol) is suspended in EtOH (0.5 mL) under N2 and tosylmethyl isocyanide (0.020 g, 0.105 mmol) is added followed by catalytic NaCN (−1 mg). After 2 hours, 2 mL THF is added to assist with solubility. After stirring for 16 hours at room temperature, a second equivalent of tosylmethyl isocyanide (0.020 g, 0.105 mmol) is added. After 8 hours, the reaction mixture is concentrated under reduced pressure and used as is in the next reaction: LC/MS ESI (+) m/z 671, 669 (M+Br pattern) detected.
6-(4-Bromo-2-chloro-phenylamino)-7-chloro-3-methyl-3H-benzoitnidazole-5-carboxylic acid (2-hydroxy-ethoxy)-amide (10cc)
Step B: 4-Amino-3-chloro-2-fluoro-5-nitro-benzoic acid 3a: Ammonium hydroxide solution (6.88 g, ˜30% in water, 58.9 mmol) is added to a solution of 3-chloro-2,4-difluoro-5-nitro-benzoic acid 2a (3.5 g, 14.7 mmol) in water (16 mL) at 0� C. with stirring. Upon completion of the ammonium hydroxide addition the reaction mixture is warmed to room temperature. After 5 hours the reaction mixture is cooled to 0� C. and concentrated HCl is carefully added until the pH of the reaction mixture is near zero. The solid is collected by filtration and washed with water and diethyl ether. The solids are transferred to a round bottom flask as a solution in MeOH and EtOAc and concentrated under reduced pressure to give 2.96 g of a yellow solid. The filtrate is partitioned between diethyl ether and water and the organic layer is washed with brine. The combined organic extracts are dried (Na2SO4) and concentrated under reduced pressure to give 0.65 g of product. Recovered a total of 3.61 g (104%) of pure desired product that is carried forward without further purification.
6-(4-Bromo-2-chloro-phenylamino)-3H-benzoitnidazole-5-carboxylic acid (2-hydroxy-ethoxy)-amide (10hh)
The above compound is prepared in an analogous fashion to Example 52 except that Step 1 is eliminated. MS APCI (−) m/z 457, 461 (M-, Br pattern) detected; 1H NMR (400 MHz, CD3OD) δ 8.40 (s, 1H), 7.85 (s, 1H), 7.50 (d, 1H), 7.14 (dd, 1H), 6.21 (d, 1H), 3.84 (m, 2H), 3.61 (m, 2H).
6-(4-Bromo-2-chloro-phenylamino)-7-fluoro-2-methyl-3H-benzoitnidazole-5-carboxylic acid (2-hydroxy-ethoxy)-amide (10ii)
6-(4-Cyano-2-methyl-phenylamino)-7-fluoro-3H-benzoitnidazole-5-carboxylic acid cyclopropylmethyoxy-amide (11yy)
Step F: 6-(4-Cyano-2-methyl-phenylamino)-7-fluoro-3H-benzoimidazole-5-carboxylic acid cyclopropylmethyoxy-amide 11yy: To a slurry of a 1:1 mixture of N1:N3 isomers 6-(4-cyano-2-methyl-phenylamino)-7-fluoro-(2-trimethylsilanyl-ethoxymethyl)-benzoimidazole-5-carboxylic acid cyclopropylmethyoxy-amide 1 m/z (28 mg, 0.055 mmol) in 0.5 mL EtOH is added 0.5 mL 10% HCl. The reaction mixture is heated to 50� C. with stirring overnight (Whitten et al., J. Org. Chem., 1986, 51, 1891-1894). An additional 0.5 mL 10% HCl is added and the reaction mixture stirred at 70� C. overnight. The reaction mixture is cooled to room temperature and neutralized to pH ˜8 with 1.5 mL 1N NaOH. The reaction mixture is extracted with ethyl acetate, dried (MgSO4) and concentrated under reduced pressure to give 14 mg (60%) of 90% pure product as a mixture of rotatomers: MS APCI (+) m/z 380 (M+1) detected; MS APCI (−) m/z 378 (M−1) detected; 1H NMR (400 MHz, MeOH-d4) δ 8.41 (bs, 1H), 7.75 (m, 1H), 7.50 (s, 1H), 7.38 (d, 1H), 6.51 (m, 1H), 3.72 (d, 0.5H), 3.65 (d, 1.5H), 2.41 (s, 3H), 0.98 (1H, m), 0.58 (d, 1.5H), 0.40 (d, 0.5H), 0.25 (d, 1.5H), 0.19 (d, 0.5H).
6-(4-Ethynyl-2-methyl-phenylamino)-7-fluoro-3H-benzoitnidazole-5-carboxylic acid cyclopropylmethoxy-amide 11aaa
Step A: 7-Fluoro-6-(2-methyl-4-trimethylsilanylethynyl-phenylamino)-3H-benzoimidazole-5-carboxylic acid cyclopropylmethoxy-amide 11bbb: 7-Fluoro-6-(4-iodo-2-methyl-phenylamino)-3H-benzoimidazole-5-carboxylic acid cyclopropylmethoxy-amide 11ccc (0.025 g, 0.052 mmol) is dissolved in 1:1 acetonitrile/triethylamine (0.50 mL). Ethynyl-trimethylsilane (0.013 mL, 0.092 mmol), Pd(PPh3)2Cl2 (0.004 g, 0.006 mmol), and CuI (0.002 g, 0.011 mmol) are added consecutively and the reaction mixture is stirred at 60� C. for 1 hour under N2. The reaction mixture is cooled to room temperature and concentrated under reduced pressure. The residue is purified by FCC (eluting with 20:1 methylene chloride:methanol) to yield 0.020 g (87%) of the desired product.
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS5128356Oct 19, 1990Jul 7, 1992Takeda Chemical Industries, Ltd.Benzimidazole derivatives and their useUS5216003Jan 2, 1992Jun 1, 1993G. D. Searle & Co.Diacid-containing benzimidazole compounds for treatment of neurotoxic injuryUS5250554Apr 21, 1992Oct 5, 1993Takeda Chemical Industries, Ltd.Benzimidazole derivatives useful as angiotensin II inhibitorsUS5525625Jan 24, 1995Jun 11, 1996Warner-Lambert Company2-(2-Amino-3-methoxyphenyl)-4-oxo-4H-[1]benzopyran for treating proliferative disordersUS5750545Jul 22, 1994May 12, 1998The Green Cross CorporationTriazole derivative and pharmaceutical use thereofUS5972980Sep 5, 1996Oct 26, 1999Warner-Lambert CompanyMethod for treating and preventing inflammation and atherosclerosisUS6255494Jan 9, 1997Jul 3, 2001Eli Lilly And CompanyBenzimidzolyl neuropeptide Y receptor antagonistsUS6310060Jun 24, 1998Oct 30, 2001Warner-Lambert Company2-(4-bromo or 4-iodo phenylamino) benzoic acid derivatives and their use as MEK inhibitorsUS6440966Dec 21, 1999Aug 27, 2002Warner-Lambert CompanyBenzenesulfonamide derivatives and their use as MEK inhibitorsUS6455582Dec 21, 1999Sep 24, 2002Warner-Lambert CompanySulohydroxamic acids and sulohyroxamates and their use as MEK inhibitorsUS6469004Dec 21, 2000Oct 22, 2002Warner-Lambert CompanyBenzoheterocycles and their uses as MEK inhibitorsUS6506798Dec 21, 1999Jan 14, 2003Warner-Lambert Company4-Arylamino, 4-aryloxy, and 4-arylthio diarylamines and derivatives thereof as selective MEK inhibitorsUS6534503Jul 13, 2000Mar 18, 2003Lion Bioscience AgMelanocortin receptor-3 ligands to treat sexual dysfunctionUS6545030Dec 21, 1999Apr 8, 2003Warner-Lambert Company1-heterocycle substituted diarylaminesUS6696440Dec 21, 1999Feb 24, 2004Warner-Lambert CompanyTreatment of asthma with MEK inhibitorsUS6740649Sep 16, 2002May 25, 2004Bristol-Myers Squibb CompanyCyclic hydroxamic acids as inhibitors of matrix metalloproteinases and/or TNF- α converting enzyme (TACE)US6803362Mar 8, 2002Oct 12, 2004Ortho-Mcneil Pharmaceutical Inc.Heterocyclic compoundsUS6821963Jun 4, 2002Nov 23, 2004Warner-Lambert Company4-Bromo or 4-iodo phenylamino benzhydroxamic acid derivatives and their use as MEK inhibitorsUS6891066Jan 23, 2003May 10, 2005Warner-Lambert CompanyN-(4-substituted phenyl)-anthranilic acid hydroxamate estersUS6960614Jul 12, 2001Nov 1, 2005Warner-Lambert CompanyOxygenated esters of 4-lodo phenylamino benzhydroxamic acidsUS7001905Mar 12, 2001Feb 21, 2006Warner-Lambert CompanySubstituted diarylamines as MEK inhibitorsUS7030119Jul 5, 2000Apr 18, 2006Warner-Lambert CompanyMethod for treating chronic pain using MEK inhibitorsUS7067532Oct 26, 2001Jun 27, 2006AstrazenecaSubstituted quinolines as antitumor agentsUS7102009Jul 17, 2002Sep 5, 2006Amgen Inc.Substituted amine derivatives and methods of useUS7160915Jul 22, 2004Jan 9, 2007Warner-Lambert Company, LlcN-methyl-substituted benzamidazolesUS7235537Aug 29, 2003Jun 26, 2007Array Biopharma, Inc.N3 alkylated benzimidazole derivatives as MEK inhibitorsUS20030078428Jun 4, 2002Apr 24, 2003Barrett Stephen Douglas4-bromo or 4-iodo phenylamino benzhydroxamic acid derivatives and their use as MEK inhibitorsUS20030092748Jul 18, 2002May 15, 2003Barrett Stephen DouglasBenzenesulfonamide derivatives and their use as MEK inhibitorsUS20030224500Dec 20, 2002Dec 4, 2003Ohren Jeffrey F.Modified MEK1 and MEK2, crystal of a peptide: ligand: cofactor complex containing such modified MEK1 or MEK2, and methods of use thereofUS20040039208Jul 20, 2001Feb 26, 2004Chen Michael Huai GuProcess for making n-aryl-anthranilic acids and their derivativesUS20040058934Sep 4, 2003Mar 25, 2004Carruthers Nicholas I.Heterocyclic compoundsUS20040127395Sep 5, 2003Jul 1, 2004Desai Pragnya J.Use of histamine H4 receptor modulators for the treatment of allergy and asthmaUS20040186111Dec 19, 2003Sep 23, 2004Qun SunTherapeutic agents useful for treating painUS20050272740Jul 4, 2003Dec 8, 2005Dieter DorschBenzimidazole derivativesUS20070004713Dec 7, 2001Jan 4, 2007Bernard BarlaamTherapeutic benimidazole compoundsEP0639573A1Jul 28, 1994Feb 22, 1995Hoechst AktiengesellschaftBenzocondensed five membered heterocycles, process of their preparation, their use as drug, as diagnostic means and pharmaceuticals containing itEP0694535A1Apr 24, 1995Jan 31, 1996Eli Lilly And CompanyNon-peptidyl tachykinin receptor antagonistsEP1321518A1Dec 10, 2002Jun 25, 2003Warner-Lambert CompanyModified MEK1 and MEK2, crystal of a peptide: ligand: cofactor complex containing such modified MEK1 or MEK2, and methods of use thereofJP2000204077A Title not availableWO1995003286A1Jul 22, 1994Feb 2, 1995Fumihiko AkahoshiTriazole derivative and pharmaceutical use thereofWO1998043960A1Apr 2, 1998Oct 8, 1998American Cyanamid CoSubstituted 3-cyano quinolinesWO1999001421A1Jun 24, 1998Jan 14, 1999Stephen Douglas Barrett2-(4-bromo or 4-iodo phenylamino) benzoic acid derivatives and their use as mek inhibitorsWO1999001426A1Jun 24, 1998Jan 14, 1999Stephen Douglas Barrett4-bromo or 4-iodo phenylamino benzhydroxamic acid derivatives and their use as mek inhibitorsWO2000040235A2Dec 21, 1999Jul 13, 2000Bridges Alexander JamesTreatment of asthma with mek inhibitorsWO2000040237A1Dec 21, 1999Jul 13, 2000Bridges Alexander JamesAntiviral method using mek inhibitorsWO2000041505A2Dec 21, 1999Jul 20, 2000Stephen Douglas BarrettAnthranilic acid derivativesWO2000041994A1Dec 21, 1999Jul 20, 2000Stephen Douglas Barrett4-arylamino, 4-aryloxy, and 4-arylthio diarylamines and derivatives thereof as selective mek inhibitorsWO2000042002A1Dec 21, 1999Jul 20, 2000Haile TecleSulphohydroxamic acids and sulphohydroxamates and their use as mek inhibitorsWO2000042003A1Dec 21, 1999Jul 20, 2000Stephen Douglas BarrettBenzenesulfonamide derivatives and their use as mek inhibitorsWO2000042022A1Dec 21, 1999Jul 20, 2000Stephen Douglas BarrettBenzoheterocycles and their use as mek inhibitorsWO2000042029A1Dec 21, 1999Jul 20, 2000Stephen Douglas Barrett1-heterocycle substituted diarylaminesWO2000068201A1May 3, 2000Nov 16, 2000Astrazeneca AbQuinoline derivatives as inhibitors of mek enzymesWO2001005390A2Jul 5, 2000Jan 25, 2001Stephen Douglas BarrettMethod for treating chronic pain using mek inhibitorsWO2001005391A2Jul 5, 2000Jan 25, 2001Stephen Douglas BarrettMethod for treating chronic pain using mek inhibitorsWO2001005392A2Jul 5, 2000Jan 25, 2001Alistair DixonMethod for treating chronic pain using mek inhibitorsWO2001005393A2Jul 5, 2000Jan 25, 2001Stephen Douglas BarrettMethod for treating chronic pain using mek inhibitorsWO2001021634A1Aug 1, 2000Mar 29, 2001Trega Biosciences IncBenzimidazole derivatives and combinatorial libraries thereofWO2001068619A1Mar 12, 2001Sep 20, 2001Cathlin Biwersi5-amide substituted diarylamines as mex inhibitorsWO2002006213A2Jul 12, 2001Jan 24, 2002Warner Lambert CoOxygenated esters of 4-iodo phenylamino benzhydroxamic acidsWO2002018319A1Jul 20, 2001Mar 7, 2002Michael Huai Gu ChenProcess for making n-aryl-anthranilic acids and their derivativesWO2002044166A1Oct 26, 2001Jun 6, 2002Astrazeneca AbSubstituted quinolines as antitumor agentsWO2003054180A1Dec 9, 2002Jul 3, 2003Huifen ChenModified mek1 and mek2, crystal of a peptide: ligand: cofactor complex containing such modified mek1 or mek2, and methods of use thereofWO2003062191A1Jan 13, 2003Jul 31, 2003Warner Lambert CoN-(4-substituted phenyl)-anthranilic acid hydroxamate estersWO2005009975A2Jul 12, 2004Feb 3, 2005Stephan Douglas BarrettBenzimidazole derivatives as mek inhibitorsClassifications U.S. Classification548/304.4, 546/193, 544/62, 546/210, 548/181, 546/273.4, 544/139, 548/306.1, 544/370International ClassificationA61K31/4184, C07D405/06, C07D403/06, C07D235/06, C07D413/06, C07D401/06, C07D403/04, C07D413/04, C07D401/14, C07D403/12, A61P17/00, A61K31/427, A61K31/5377, C07D401/12, A61P13/08, A61P1/18, A61P19/02, A61K31/4439, A61K31/422, A61P9/08, A61P3/10, A61P35/00, A61P1/00, C07D417/12, A61P17/06, A61K31/454, A61K31/4245, A61P13/12, A61P9/10, A61P29/00, A61P43/00, A61K31/496, A61P17/04, A61P27/02, A61K31/541, C07D417/06, C07D235/08, C07D235/04Cooperative ClassificationC07D417/12, C07D401/06, C07D413/06, C07D413/04, C07D403/12, C07D401/14, C07D403/06, C07D403/04, C07D401/12, C07D405/06, C07D235/06, C07D417/06European ClassificationC07D403/04, C07D401/14, C07D405/06, C07D401/06, C07D403/12, C07D417/06, C07D417/12, C07D235/06, C07D413/04, C07D401/12, C07D403/06, C07D413/06Legal EventsDateCodeEventDescriptionJul 27, 2010ASAssignmentOwner name: ARRAY BIOPHARMA, INC., COLORADOEffective date: 20030610Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WALLACE, ELI M.;LYSSIKATOS, JOSEPH P.;MARLOW, ALLISON L.;AND OTHERS;REEL/FRAME:024747/0870RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services