Patent number: 6943158
Abstract: Compounds of formula I are p38 inhibitors: or a pharmaceutically acceptable salt thereof, wherein R1 is hydrogen or alkyl; R2 alkyl, haloalkyl, aryl, aralkyl, heteroaryl, heteroaralkyl, cycloalkyl, cycloalkylalkyl, heteroalkylsubstituted cycloalkyl, heterosubstituted cycloalkyl, heteroalkyl, cyanoalkyl, heterocyclyl, heterocyclylalkyl, or —Y1—C(O)—Y2—R11 (where Y1 and Y2 are independently either absent or an alkylene group and R11 is hydrogen, alkyl, haloalkyl, hydroxy, alkoxy, amino, monoalkylamino or dialkylamino); R3 is hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, heterosubstituted cycloalkyl, heterocyclyl, aryl, aralkyl, haloalkyl, heteroalkyl, cyanoalkyl, -alkylene-C(?O)—R4 (where R4 is hydrogen, alkyl, hydroxy, alkoxy, amino, monoalkylamino or dialkylamino), or acyl; Ar1 is aryl; X1 is O, NR5 or S, where R5 is hydrogen or alkyl; and X2 is a bond, O, NR6, S or CH2, where R6 is hydrogen or alkyl.
Type:
Grant
Filed:
November 18, 2003
Date of Patent:
September 13, 2005
Assignees:
Roche Palo Alto LLC, Hoffmann-La Roche Inc.
Inventors:
Jian Jeffrey Chen, Kin-Chun Thomas Luk