申请人:Pfizer Inc.
公开号:US05482941A1
公开(公告)日:1996-01-09
Compounds of formula: ##STR1## and pharmaceutically acceptable salts thereof wherein R.sup.1 is H, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or CONR.sup.5 R.sup.6 ; R.sup.2 is H or- C.sub.1 -C.sub.4 alkyl; R.sup.3 is C.sub.2 -C.sub.4 alkyl; R.sup.4 is H, C.sub.2 -C.sub.4 alkanoyl optionally substituted with NR.sup.7 R.sup.8, (hydroxy)C.sub.2 -C.sub.4 alkyl optionally substituted with NR.sup.7 R.sup.8, CH.dbd.CHCO.sub.2 R.sup.9, CH.dbd.CHCONR.sup.7 R.sup.8, CH.sub.2 CH.sub.2 CO.sub.2 R.sup.9, CH.sub.2 CH.sub.2 CONR.sup.7 R.sup.8, SO.sub.2 NR.sup.7 R.sup.8, SO.sub.2 NH(CH.sub.2).sub.n NR.sup.7 R.sup.8 or imidazolyl; R.sup.5 and R.sup.6 are each independently H or C.sub.1 -C.sub.4 alkyl; R.sup.7 and R.sup.8 are each independently H or C.sub.1 -C.sub.4 alkyl, or together with the nitrogen atom to which they are attached form a pyrrolidino, piperidino, morpholino or 4-(NR.sup.10)-1-piperazinyl group wherein any of said groups is optionally substituted with CONR.sup.5 R.sup.6 ; R.sup.9 is H or C.sub.1 -C.sub.4 alkyl; R.sup.10 is H, C.sub.1 -C.sub.3 alkyl or (hydroxy)C.sub.2 -C.sub.3 alkyl; and n is 2, 3 or 4; with the proviso that R.sup.4 is not H when R.sup.1 is H, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy; are selective cGMP PDE inhibitors useful in the treatment of cardiovascular disorders such as angina, hypertension, heart failure and atherosclerosis.
公式为:##STR1##及其药用盐,其中R.sup.1为H,C.sub.1 -C.sub.4烷基,C.sub.1 -C.sub.4烷氧基或CONR.sup.5 R.sup.6;R.sup.2为H或C.sub.1 -C.sub.4烷基;R.sup.3为C.sub.2 -C.sub.4烷基;R.sup.4为H,C.sub.2 -C.sub.4烷酰基,可选择地取代为NR.sup.7 R.sup.8,(羟基)C.sub.2 -C.sub.4烷基,可选择地取代为NR.sup.7 R.sup.8,CH.dbd.CHCO.sub.2 R.sup.9,CH.dbd.CHCONR.sup.7 R.sup.8,CH.sub.2 CH.sub.2 CO.sub.2 R.sup.9,CH.sub.2 CH.sub.2 CONR.sup.7 R.sup.8,SO.sub.2 NR.sup.7 R.sup.8,SO.sub.2 NH(CH.sub.2).sub.n NR.sup.7 R.sup.8或咪唑基;R.sup.5和R.sup.6分别独立为H或C.sub.1 -C.sub.4烷基;R.sup.7和R.sup.8分别独立为H或C.sub.1 -C.sub.4烷基,或与它们连接的氮原子一起形成吡咯啉基,哌啶基,吗啉基或4-(NR.sup.10)-1-哌嗪基,其中所述任一基可选择地取代为CONR.sup.5 R.sup.6;R.sup.9为H或C.sub.1 -C.sub.4烷基;R.sup.10为H,C.sub.1 -C.sub.3烷基或(羟基)C.sub.2 -C.sub.3烷基;n为2,3或4;但R.sup.4不为H时,当R.sup.1为H,C.sub.1 -C.sub.4烷基或C.sub.1 -C.sub.4烷氧基时,它们是选择性cGMP PDE抑制剂,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。