申请人:Pfizer Inc.
公开号:US05250534A1
公开(公告)日:1993-10-05
Compounds of the formula: ##STR1## wherein R.sup.1 is H, C.sub.1 -C.sub.3 alkyl, C.sub.3 -C.sub.5 cycloalkyl or C.sub.1 -C.sub.3 perfluoroalkyl; R.sup.2 is H, C.sub.1 -C.sub.6 alkyl optionally substituted by OH, C.sub.1 -C.sub.3 alkoxy or C.sub.3 -C.sub.6 cycloalkyl, or C.sub.1 -C.sub.3 perfluoroalkyl; R.sup.3 is C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 alkenyl, C.sub.3 -C.sub.6 alkynyl, C.sub.3 -C.sub.7 cycloalkyl, C.sub.1 -C.sub.6 perfluoroalkyl or (C.sub.3 -C.sub.6 cycloalkyl)C.sub.1 -C.sub.6 alkyl; R.sup.4 taken together with the nitrogen atom to which it is attached completes a pyrrolidinyl, piperidino, morpholino, or 4-N-(R.sup.6)-piperazinyl group; R.sup.5 is H, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.3 alkoxy, NR.sup.7 R.sup.8, or CONR.sup.7 R.sup.8 ; R.sup.6 is H, C.sub.1 -C.sub.6 alkyl, (C.sub.1 -C.sub.3 alkoxy) C.sub.2 - C.sub.6 alkyl, hydroxy C.sub.2 -C.sub.6 alkyl, (R.sup.7 R.sup.8 N)C.sub.2 -C.sub.6 alkyl, (R.sup.7 R.sup.8 NCO)C.sub.1 -C.sub.6 alkyl, CONR.sup.7 R.sup.8, CSNR.sup.7 R.sup.8 or C(NH)NR.sup.7 R.sup.8 ; R.sup.7 and R.sup.8 are each independently H, C.sub.1 -C.sub.4 alkyl, (C.sub.1 -C.sub.3 alkoxy)C.sub.2 -C.sub.4 alkyl or hydroxy C.sub.2 -C.sub.4 alkyl; and pharmaceutically acceptable salts thereof, are selective cGMP PDE inhibitors useful in the treatment of cardiovascular disorders such as angina, hypertension, heart failure and atherosclerosis.
该化合物的结构式为:##STR1## 其中R.sup.1为H,C.sub.1 -C.sub.3烷基,C.sub.3 -C.sub.5环烷基或C.sub.1 -C.sub.3全氟烷基;R.sup.2为H,C.sub.1 -C.sub.6烷基,可以选择性地被OH,C.sub.1 -C.sub.3烷氧基或C.sub.3 -C.sub.6环烷基,或C.sub.1 -C.sub.3全氟烷基取代;R.sup.3为C.sub.1 -C.sub.6烷基,C.sub.3 -C.sub.6烯基,C.sub.3 -C.sub.6炔基,C.sub.3 -C.sub.7环烷基,C.sub.1 -C.sub.6全氟烷基或(C.sub.3 -C.sub.6环烷基)C.sub.1 -C.sub.6烷基;R.sup.4与其连接的氮原子一起形成吡咯啉基、哌啶基、吗啉基或4-N-(R.sup.6)-哌嗪基;R.sup.5为H,C.sub.1 -C.sub.4烷基,C.sub.1 -C.sub.3烷氧基,NR.sup.7 R.sup.8,或CONR.sup.7 R.sup.8;R.sup.6为H,C.sub.1 -C.sub.6烷基,(C.sub.1 -C.sub.3烷氧基)C.sub.2 - C.sub.6烷基,羟基C.sub.2 -C.sub.6烷基,(R.sup.7 R.sup.8 N)C.sub.2 -C.sub.6烷基,(R.sup.7 R.sup.8 NCO)C.sub.1 -C.sub.6烷基,CONR.sup.7 R.sup.8,CSNR.sup.7 R.sup.8或C(NH)NR.sup.7 R.sup.8;R.sup.7和R.sup.8各自独立地为H,C.sub.1 -C.sub.4烷基,(C.sub.1 -C.sub.3烷氧基)C.sub.2 -C.sub.4烷基或羟基C.sub.2 -C.sub.4烷基;以及其药学上可接受的盐,是用于治疗心血管疾病如心绞痛、高血压、心力衰竭和动脉粥样硬化的选择性cGMP PDE抑制剂。