Phthalazine cardiac stimulants, processes for preparing them, and pharmaceutical compositions containing them
申请人:Pfizer Limited
公开号:EP0017411A1
公开(公告)日:1980-10-15
Phthalazine cardiac stimulants of the formula
wherein R1 is a C1-C4 alkyl group, and Y is a group of the formula: -(CH2)m-Z, wherein m is 1 or 2, and Z is a group selected from:
and
wherein R2 and R4 are each independently hydrogen or C,-C4 alkyl,
and R3 is C3-C7 cycloalkyl;
or a pharmaceutically acceptable acid addition salt thereof;
Also described are processes for preparing the compounds and pharmaceutical compositions containing them.
式中的酞嗪类强心剂
其中 R1 是 C1-C4 烷基,Y 是式中的基团:-(CH2)m-Z,其中 m 为 1 或 2,Z 为选自以下各项的基团:
和
其中 R2 和 R4 各自独立地为氢或 C,-C4 烷基、
和 R3 是 C3-C7 环烷基;
或其药学上可接受的酸加成盐;
还描述了制备这些化合物和含有它们的药物组合物的工艺。