New thiazole derivatives, processes for the preparation thereof and pharmaceutical compositon comprising the same
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0417751A2
公开(公告)日:1991-03-20
A compound of the formula :
wherein R' is amino which may have suitable substituent ( s). hydroxy. halogen, cyano, acyl, heterocyclic thio, heterocyclic group or a group of the formula :
in which R4 is hydrogen, cyano or acyl. and
R5 is amino or lower alkoxy.
R2 and R3 are each hydrogen, acyl or lower alkyl which may have halogen: or
R2 and R3 are linked together to form lower alkylene.
in which R6 is hydrogen or halogen, and
A is bond or lower alkylene,
provided that
when R1 is amino which may have suitable substituent(s) and
A is bond; or R1 is lower alkylthioureido
and A is lower alkylene, then
and pharmaceutically acceptable salt thereof, processes for their preparation and pharmaceutical compositions comprising them as an active. ingredient.
式中的化合物
其中 R'为氨基,可具有合适的取代基(s)、羟基、卤素、氰基、酰基、杂环硫基、杂环基团或式......的基团:
其中 R4 是氢、氰基或酰基。
R5 是氨基或低级烷氧基。
R2 和 R3 各为氢、酰基或低级烷基,其中可含卤素:或
R2 和 R3 连接在一起形成低级亚烷基。
其中 R6 是氢或卤素,以及
A 是键或低级亚烷基、
条件是
当 R1 是氨基,可有适当的取代基,且
A 为键;或 R1 为低级烷基硫脲基,且 A 为低级亚烷基时
且 A 为低级亚烷基,则
以及它们的药学上可接受的盐、它们的制备方法和含有它们作为活性成分的药物组合物。