摘要 |
The invention claims compounds of the formula wherein is a 5-membered heteroaryl; X is S or O; R1 is H, alkyl, cycloalkyl, cylcoalkylalkyl-, -CH2F, -CHF2, -CF3, -C(O)alkyl or -C(O)NR18R19; R3 and R4 H, alkyl, hydroxyalkyl or -C(O)Oalkyl; R5 and R6 are H, alkyl, hydroxyalkyl, alkoxyalkyl, mercaptoalkyl, -CH2F, -CHF2, -CF3, -C(O)OH or -C(O)Oalkyl; R7 is H, alkyl, alkenyl, hydroxyalkyl, cycloalkyl, alkoxyalkyl, aminoalkyl, (R17-phenyl)alkyl or -CH2-C(O)-O-alkyl; and R8 comprises alkyl, heteroaryl, phenyl or cycloalkyl, or heterocycloalkyl, all optionally substituted, or a cycloalkyl- or heterocycloalkyl-substituted amide; or R7 and R8 and the nitrogen to which they are attached together form an optionally substituted ring; and the remaining variables are as defined in the specification. Also claimed are pharmaceutical compositions, the use of the compounds as PDE4 inhibitors, and combinations with other actives. |
申请人 |
SCHERING CORPORATION |
发明人 |
KUANG, RONGZE;SHIH, NENG-YANG;CHEN, XIAO;GU, DANLIN;SCHWERDT, JOHN H.;WONG, SHING-CHUN;BLYTHIN, DAVID;SHUE, HO-JANE;CAO, JIANHUA;HUANG, YING;TING, PAULINE C.;XIAO, LI |