Patent ID: 7786308

Claim:
A compound of formula III or a pharmaceutically acceptable salt thereof, wherein R 1 is one selected from N-(ethoxy(carbonyl))piperidine-4-yl; N-(ethoxy(carbonyl))-8-azabicyclo[3.2.1]octane-3-yl; N-(butoxy(carbonyl))-8-azabicyclo[3.2.1]octane-3-yl; N-(isopropoxy(carbonyl))-8-azabicyclo[3.2.1]octane-3-yl; N-(tert-butoxy(carbonyl))-8-azabicyclo[3.2.1]octane-3-yl; N-(cyclobutoxy(carbonyl))-8-azabicyclo[3.2.1]octane-3-yl; tetrahydro-4H-pyran-4-yl; 4-(ethyl)cyclohexane-yl; bicyclo[2.2.1]heptane-2-yl; bicyclo[3.2.1]octane-3-yl; cyclohexane-yl; (cyclopentyl)methyl; bicyclo[2.2.1]hept-2-ylmethyl; cycloheptane-yl; cyclooctane-yl; bicyclo[3.3.1]nonane-9-yl; (tetrahydro-4H-pyran-2-yl)methyl; N-(butoxy(carbonyl))-8-azabicyclo[3.2.1]octane-3-yl; N-2,2-difluoroethoxy(carbonyl))-8-azabicyclo[3.2.1]octane-3-yl; N-(2-fluoroethoxy(carbonyl))-8-azabicyclo[3.2.1]octane-3-yl; N-(but-2-ynoxy(carbonyl))-8-azabicyclo[3.2.1]octane-3-yl; N-(trifluoromethyl(carbonyl))-8-azabicyclo[3.2.1]octane-3-yl; N-(methoxy(carbonyl))-8-azabicyclo[3.2.1]octane-3-yl; N-(methoxy(ethoxy(carbonyl))-8-azabicyclo[3.2.1]octane-3-yl; N-(ethyl(carbonyl))-8-azabicyclo[3.2.1]octane-3-yl; N-(phenyl(carbonyl))-8-azabicyclo[3.2.1]octane-3-yl; N-(N,N-(dimethyl(amino(carbonyl))-8-azabicyclo[3.2.1]octane-3-yl; N-(phenyl(sulfonyl))-8-azabicyclo[3.2.1]octane-3-yl; 4-(ethoxy(imino))cyclohexane-yl; 4-(propoxy(imino))cyclohexane-yl; bicyclo[3.2.1]octane-3-yl; N-(isobutoxy(carbonyl))-8-azabicyclo[3.2.1]octane-3-yl; N-(2,2-dimethylpropyloxy(carbonyl))-8-azabicyclo[3.2.1]octane-3-yl; 4-(but-2-ynyloxyimino)cyclohexane-yl; and 4-(pent-2-ynyl(imino))cyclohexane-yl; R 2b is —Z I R 12 , wherein Z I is a bond or an optionally substituted straight or branched C 1-5 aliphatic chain; R 12 is an aryl, a cycloaliphatic, a heteroaryl, or an aliphatic, each of which is optionally substituted with 1-3 of R Z6 ; Each R Z6 is independently selected from halo, optionally substituted aliphatic, and alkoxy; R 3b is —Z J R 13 , wherein Z J is —C(O)—, —S(O) 2 —, —C(O)NH—, or —C(O)O—, and R 13 is hydrogen or an optionally substituted aliphatic, or an optionally substituted aryl; R 3C is hydrogen, or R 3C and R 3b together with the atoms to which they are attached form an optionally substituted 5-6 membered heterocycloaliphatic; and n is 1-8; Provided that: only one of R 2b and R 3b is an optionally substituted aryl or an optionally substituted heteroaryl; when Z A is a bond, and R 4 is a substituted piperidine-4-yl; then R 4 is substituted with 1-3 of halo, hydroxy, cyano, or optionally substituted aliphatic, optionally substituted cycloaliphatic, optionally substituted aryl, optionally substituted heteroaryl, or combinations thereof; and when Z I is a bond and R 12 is a phenyl, R 12 is optionally substituted with 1-3 of halo, unsubstituted aliphatic, haloaliphatic, alkoxy, or combinations thereof.