Patent number: 6537996
Abstract: Compounds of formula 1 are effective modulators of p38 MAP kinase.
wherein R1 is H, lower alkyl, or OR5, where R5 is aryl, heterocyclyl, acyl, N—R6-4-piperidinyl, N—R6-4-piperidinylmethyl, or N—R6-4-pipelidinylethyl, where aryl and heterocyclyl are substituted with 1-3 R6 substituents selected from the group consisting of H, lower alkyl, lower alkenyl, OH, NO2, NH2, halo, trihalomethyl, —CN, SH, SO, SO2, SO3H, —OR, —COR, —COOR, —CONHR, —OCOR, and —NCOR, where R is lower alkyl; R2 is H or lower alkyl; R3 is aryl substituted with 1-3 R6 substituents; R4 is H, lower alkyl, aryl, aralkyl, —OH, —NH2, —NHR, or —OR, where R is lower alkyl or aryl-lower alkyl; and A is —CH— or —N—; and pharmaceutically acceptable salts thereof.
Type:
Grant
Filed:
February 23, 2001
Date of Patent:
March 25, 2003
Assignee:
Iconix Pharmaceuticals, Inc.
Inventors:
David J. Morgans, Jr., Silke Thode, Dongxu Sun
