Patent ID: 6436966
Filing Date: 2002-08-20
Classification: A61K,A61P

Abstract:
A method for preventing and/or treating asthma, allergosis or inflammation in a mammal in need thereof, which comprises administering to said mammal an effective asthma, allergosis or inflammation treating amount of a compound of the formula: wherein R1 represents (i) a hydrogen atom, (ii) a C1-8 alkyl, C2-6 alkenyl, C2-6 alkynyl, C3-6 cycloalkyl, C6-14 aryl or C7-16 aralkyl group which may be substituted by 1 to 5 substituents, (iii) a 5- to 14-membered heterocyclic group containing 1 to 4 hetero atoms selected from the group consisting of nitrogen, sulfur and oxygen atoms in addition to carbon atoms, which group may be substituted by 1 to 5 substituents, (iv) an amino which may be substituted by 1 or 2 substituents selected from the group consisting of(a) a C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C3-6 cycloalkyl, C6-14 aryl or C7-16 aralkyl group which may be substituted by 1 to 5 substituents (b) a C1-6 alkylidene group which may be substituted by 1 to 5 substituents, (c) a 5- to 14-membered heterocyclic group containing 1 to 4 hetero atoms selected from the group consisting of nitrogen, sulfur and oxygen atoms in addition to carbon atoms, which group may be substituted by 1 to 5 substituents, and (d) an acyl of the formula: â€”(C&boxH;O)â€”R5, â€”(C&boxH;O)â€”OR5, â€”(C&boxH;O)â€”NR5R6, â€”(C&boxH;S)â€”NHR5 or â€”SO2â€”R7 wherein R5 is (iâ€²) a hydrogen atom, (iiâ€²) a C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C3-6 cycloalkyl, C6-14 aryl or C7-16 aralkyl group which may be substituted by 1 to 5 substituents or (iiiâ€²) a 5- to 14-membered heterocyclic group containing 1 to 4 hetero atoms selected from the group consisting of nitrogen, sulfur and oxygen atoms in addition to carbon atoms, which group may be substituted by 1 to 5 substituents; R6 is a hydrogen atom or C1-6 alkyl; and R7 is (iâ€²) a C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C3-6 cycloalkyl, C6-14 aryl or C7-16 aralkyl group which may be substituted by 1 to 5 substituents or (iiâ€²) a 5- to 14-membered heterocyclic group containing 1 to 4 hetero atoms selected from the group consisting of nitrogen, sulfur and oxygen atoms in addition to carbon atoms, which group may be substituted by 1 to 5 substituents, (v) a 5-7-membered non-aromatic cyclic amino optionally containing 1 to 4 hetero atoms selected from the group consisting of nitrogen, sulfur and oxygen atoms in addition to carbon atoms and at least one nitrogen atom, which may be substituted by 1 to 3 substituents selected from the group consisting of C1-6 alkyl, C6-14 aryl or C1-6 alkyl-carbonyl, 5- to 10-membered heterocyclic group and oxo, or (vi) an acyl of the formula: â€”(C&boxH;O)â€”R5, â€”(C&boxH;O)â€”OR5, â€”(C&boxH;O)â€”NR5R6, â€”(C&boxH;S)â€”NHR5 or â€”SO2â€”R7 wherein each symbol is as defined above; R2 is a pyridyl which may be substituted by 1 to 5 substituents; and R3is (i) a pyridyl which may be substituted by 1 to 5 substituents or (ii) a C6-14 aryl which may be substituted by 1 to 5 substituents in which a substituent can form, together with a neighboring substituent, a 4-7-membered non-aromatic carbocyclic ring; wherein the above â€œsubstituentsâ€  are selected from the group consisting of (1) halogen atoms, (2) C1-3 alkylenedioxy, (3) nitro, (4) cyano, (5) optionally halogenated C1-6 alkyl, (6) optionally halogenated C2-6 alkenyl, (7) carboxy C2-6 alkenyl, (8) optionally halogenated C2-6 alkynyl, (9) optionally halogenated C3-6 cycloalkyl, (10) C6-14 aryl, (11) optionally halogenated C1-8 alkoxy, (12) C1-6 alkoxy-carbonyl-C1-6 alkoxy, (13) hydroxy, (14) C6-14 aryloxy, (15) C7-16 aralkyloxy, (16) mercapto, (17) optionally halogenated C1-6 alkylthio, (18) C6-14 arylthio, (19) C7-16 aralkylthio, (20) amino, (21) mono-C1-6 alkylamino, (22) mono-C6-14 arylamino, (23) di-C1-6 alkylamino, (24) di-C6-14 arylamino, (25) formyl, (26) carboxy, (27) C1-6 alkyl-carbonyl, (28) C3-6 cycloalkyl-carbonyl, (29) C1-6 alkoxy-carbonyl, (30) C6-14 aryl-carbonyl, (31) C7-16 aralkyl-carbonyl, (32) C6-14 carbonyl, (33) C7-16 aralkyloxy-carbonyl, (34) 5- or 6-membered heterocycle carbonyl, (35) carbamoyl, (36) mono-C1-6 alkyl-carbamoyl, (37) di-C1-6 alkyl-carbamoyl, (38) C6-14 aryl-carbamoyl, (39) 5- or 6-membered heterocycle carbamoyl, (40) C1-6 alkylsulfonyl, (41) C6-14 arylsulfonyl, (42) formylamino, (43) C1-6 alkyl-carbonylamino, (44) C6-14 aryl-carbonylamino, (45) C1-6 alkoxy-carbonylamino, (46) C1-6 alkylsulfonylamino, (47) C6-14 arylsulfonylamino, (48) C1-6 alkylcarbonyloxy, (49) C6-14 aryl-carbonyloxy, (50) C1-6 alkoxy-carbonyloxy, (51) mono-C1-6 alkyl-carbamoyloxy, (52) di-C1-6 alkyl-carbamoyloxy, (53) C6-14 aryl-carbamoyloxy, (54) nicotinoyloxy, (55) 5- to 7-membered saturated cyclic amino which may be substituted by 1 to 3 substituents selected from the group consisting of C1-6 alkyl, C6-14 aryl, C1-6 alkyl-carbonyl, 5- to 10-membered aromatic heterocyclic group and oxo, (56) 5- to 10-membered aromatic heterocyclic group and (57) sulfo;X represents a sulfur atom; or a pharmaceutically acceptable salt thereof, which may be N-oxidized, with a pharmaceutically acceptable excipient, carrier or diluent.