申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0383256A2
公开(公告)日:1990-08-22
A substituted-acetamide compound of the formula :
wherein
R1 is aryl which may have one or more suitable substituent(s),
R2 is aryl which may have one or more suitable substituent(s), lower alkyl or cyclo(lower)alkyl,
R3 is hydrogen, hydroxy, halogen, lower alkenyl, amino or protected amino,
R4 is a group of the formula :
wherein
R5 is lower alkyl which may have one or more suitable substituent(s), cyclo(lower)alkyl, aryl, ar(lower)alkyl which may have one or more suitable substituent(s), and
R6 is hydrogen or lower alkyl;
or N-containing heterocyclic group which may have one or more suitable substituent(s), and
A is lower alkylene or lower alkynylene,
in which R1 and R2 may be linked through oxygen atom, and a pharmaceutically acceptable salt thereof, processes for their preparation and pharmaceutical compositions comprising them as an active ingredient. The invention relates also to intermediates of the above formula, wherein R4 is a leaving group.
式中的取代乙酰胺化合物
其中
R1 是芳基,可以有一个或多个合适的取代基、
R2 是芳基(可带有一个或多个合适的取代基)、低级烷基或环(低级)烷基、
R3 是氢、羟基、卤素、低级烯基、氨基或受保护氨基、
R4 是式中的基团:
其中
R5 是可具有一个或多个合适取代基的低级烷基、环(低级)烷基、芳基、可具有一个或多个合适取代基的芳基(低级)烷基,和
R6 是氢或低级烷基;
或含 N 的杂环基团,可具有一个或多个合适的取代基,且
A 是低级亚烷基或低级亚炔基、
其中 R1 和 R2 可通过氧原子连接,及其药学上可接受的盐、其制备工艺和包含它们作为活性成分的药物组合物。本发明还涉及上式的中间体,其中 R4 为离去基团。