申请人:Bristol-Myers Squibb Company
公开号:US04943573A1
公开(公告)日:1990-07-24
A novel series of 2,3-dihydro-2-oxo-1H-imidazo[4,5-b]quinolinyloxyalkanoic acid amides having enhanced water solubility is disclosed of the formula ##STR1## wherein n is 3 to 5; R.sub.1 is alkyl of 1 to 4 carbon atoms; R.sub.2 is hydrogen; R.sub.3 is 1-piperidinylethyl, 1-benzylpiperidin-4-yl, 4-(1-piperidinyl)piperidine, (1-alkyl-2-pyrrolidinyl)alkyl where alkyl is 1 to 4 carbon atoms, 3-quinuclidinyl; R.sub.2 and R.sub.3 together with the nitrogen atom to which they are attached form 4-R.sub.4 -piperazin-1-yl wherein R.sub.4 is alkyl of 1 to 7 carbon atoms, alkoxyethyl of 3 to 7 carbon atoms, pyridinyl, pyrimidinyl, tetrahydropyranylmethyl, thienylmethyl, cycloalkyl-(CH.sub.2).sub.m where m is zero or one and cycloalkyl is 5 to 7 carbon atoms except m is zero when cycloalkyl is 7 carbon atoms, benzyl, 4-fluorobenzyl, 3-trifluoromethylbenzyl, 4-alkoxybenzyl where alkoxy is 1 to 4 carbon atoms. The compounds are cyclic AMP phosphodiesterase inhibitors and are particularly useful as inhibitors of blood platelet aggregation and/or as cardiotonic agents.
揭示了一种增强水溶性的2,3-二氢-2-氧基-1H-咪唑[4,5-b]喹啉氧烷酸酰胺的小说系列,其化学式为n为3到5;R.sub.1为1到4个碳原子的烷基;R.sub.2为氢;R.sub.3为1-哌啶基乙基,1-苄基哌啶-4-基,4-(1-哌啶基)哌啶,(1-烷基-2-吡咯啉基)烷基,其中烷基为1到4个碳原子,3-喹啉基;R.sub.2和R.sub.3与它们连接的氮原子一起形成4-R.sub.4-哌嗪-1-基,其中R.sub.4为1到7个碳原子的烷基,3到7个碳原子的烷氧乙基,吡啶基,嘧啶基,四氢吡喃基甲基,噻吩基甲基,环烷基-(CH.sub.2).sub.m,其中m为零或一,环烷基为5到7个碳原子,当环烷基为7个碳原子时m为零,苄基,4-氟苄基,3-三氟甲基苄基,4-烷氧基苄基,其中烷氧基为1到4个碳原子。这些化合物是环磷酸腺苷磷酸二酯酶抑制剂,特别适用作为血小板聚集抑制剂和/或作为心力学药剂。