Pyrrolyl keto and amino acids and derivatives thereof, processes for their preparation and pharmaceutical compositions containing them
申请人:Pfizer Limited
公开号:EP0009326A2
公开(公告)日:1980-04-02
Pyrrolyl keto and amino acids, esters and amides of the formula:
wherein
R is H or lower alkyl;
R1 is Ci-Cio alkyl, C3-C6 alkenyl, C1-C10 alkylthio, C5-C7 cycloalkylthio or a substituted lower alkyl, substituted lower alkenyl or substituted lower alkylthio group wherein the substituent is a C3 to C7 cycloalkyl, a C5-C7 cycloalkyl, a C5-C7 cycloalkenyl, a phenyl or a substituted phenyl group (wherein said phenyl substituent is lower alkyl, lower alkoxy or halogen);
R2 is hydroxy, lower alkoxy or amino;
and pharmaceutically acceptable salts thereof, are useful in the treatment of cardiovascular disorders such as ischaemic heart disease and cardiac failure. The compounds of formula (II) are bioprecursors for the compounds of formula (I). Processes for their preparation and pharmaceutical compositions are also claimed.
式中的吡咯酮和氨基酸、酯和酰胺:
其中
R 是 H 或低级烷基;
R1 是 Ci-Cio 烷基、C3-C6 烯基、C1-C10 硫代烷基、C5-C7 环烷基硫基或取代的低级烷基、取代的低级烯基或取代的低级硫代烷基,其中取代基是 C3 至 C7 环烷基、C5-C7 环烷基、C5-C7 环烯基、苯基或取代的苯基(其中所述苯基取代基是低级烷基、低级烷氧基或卤素);
R2 是羟基、低级烷氧基或氨基;
及其药学上可接受的盐类,可用于治疗心血管疾病,如缺血性心脏病和心力衰竭。式(II)化合物是式(I)化合物的生物前体。本发明还要求制备它们的工艺和药物组合物。