申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0596406A1
公开(公告)日:1994-05-11
A compound of the formula :
wherein
R1 is halogen,
R2 and R3 are each hydrogen, lower alkyl, halo(lower)alkyl or acyl,
R4 is aryl having suitable substituent(s), or a heterocyclic group optionally having suitable substituent(s),
Q is O or N-R11, in which R11 is hydrogen or acyl, and
A is lower alkylene, and pharmaceutically acceptable salts thereof, processes for their preparation and pharmaceutical compositions comprising them as an active ingredient.
式中的化合物:
式中
R1 是卤素
R2 和 R3 分别是氢、低级烷基、卤代(低级)烷基或酰基、
R4 是具有合适取代基的芳基,或可选具有合适取代基的杂环基团、
Q 是 O 或 N-R11,其中 R11 是氢或酰基,以及
A 是低级亚烷基,及其药学上可接受的盐、制备工艺和包含它们作为活性成分的药物组合物。