申请人:Bristol-Myers Squibb Company
公开号:EP0426180A2
公开(公告)日:1991-05-08
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
wherein n is 3 to 5; R₁ is alkyl of 1 to 4 carbon atoms; R₂ is hydrogen; R₃ 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; R₂ and R₃ together with the nitrogen atom to which they are attached form 4-R₄-piperazin-1-yl wherein R₄ is alkyl of 1 to 7 carbon atoms, alkoxyethyl of 3 to 7 carbon atoms, pyridinyl, pyrimidinyl, tetrahydropyranylmethyl, thienylmethyl, cycloalkyl-(CH₂)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.
本发明公开了一系列新型 2,3-二氢-2-氧代-1H-咪唑并[4,5-b]喹啉氧基烷酸酰胺,它们具有更强的水溶性,其式为
其中 n 为 3 至 5;R₁ 为 1 至 4 个碳原子的烷基;R₂ 为氢;R₃ 为 1-哌啶乙基、1-苄基哌啶-4-基、4-(1-哌啶基)哌啶、(1-烷基-2-吡咯烷基)烷基(其中烷基为 1 至 4 个碳原子)、3-奎宁环基;R₂ 和 R₃ 与它们所连接的氮原子一起形成 4-R₄-哌嗪-1-基,其中 R₄ 是 1 至 7 个碳原子的烷基、3 至 7 个碳原子的烷氧基乙基、吡啶基、嘧啶基、四氢吡喃基甲基、噻吩基甲基、环烷基-(CH₂)m,其中 m 为 0 或 1,环烷基为 5 至 7 个碳原子,但当环烷基为 7 个碳原子时,m 为 0;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 至 4 个碳原子。
这些化合物是环 AMP 磷酸二酯酶抑制剂,尤其可用作血小板聚集抑制剂和/或强心剂。