申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0299209A2
公开(公告)日:1989-01-18
A pyrazolopyridine compound of the formula :
wherein R1 is lower alkyl, aryl which may have one or more suitable substituent(s) or a heterocyclic group, R2 is a group of the formula:
(wherein R4 is protected amino or hydroxy and R5 is hydrogen or lower alkyl) ;
cyano;
a group of the formula:
-A-R6
(wherein R6 is an acyl group, and A is lower aliphatic hydrocarbon group which may have one or more suitable substituent(s)); amidated carboxy; amino or protected amino; and
R3 is hydrogen, lower alkyl, lower alkoxy or halogen and a pharmaceutically acceptable salt thereof, processes for their preparation and pharmaceutical compositions comprising them.
式中的吡唑并吡啶化合物:
其中 R1 是低级烷基、可具有一个或多个合适取代基的芳基或杂环基团,R2 是式中的基团:
(其中 R4 是受保护的氨基或羟基,R5 是氢或低级烷基);
氰基
式中的基团
-A-R6
(其中 R6 是酰基,A 是低级脂肪族烃基,可具有一个或多个合适的取代基);酰胺化羧基;氨基或受保护氨基;以及
R3 是氢、低级烷基、低级烷氧基或卤素及其药学上可接受的盐、它们的制备工艺和包含它们的药物组合物。