申请人:Pfizer Inc.
公开号:US05292749A1
公开(公告)日:1994-03-08
##STR1## 3-Quinuclidinyl butanoate and propanoate antimuscarinic bronchodilators, particularly useful in the treatment of chronic obstructive airways disease and asthma, of formula (1), and their pharmaceutically acceptable salts, wherein X is either (a) a phenyl group optionally substituted by one or two substituents each independently selected from halo. CF.sub.3, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy and hydroxy or (b) a thienyl group; and "Het" is either (a) a 5-membered nitrogen-containing heterocyclic group attached to the adjacent carbon atom either by a carbon or a ring nitrogen atom and which is selected from imidazolyl, pyrazolyl, triazolyl and tetrazolyl. (b) an oxadiazolyl or thiadiazolyl group attached to the adjacent carbon atom by a carbon atoms, or (c) a 6-membered nitrogen-containing heterocyclic group attached to the adjacent carbon atom by a carbon atom and selected from pyridinyl, pyrazinyl, pyrimidinyl and pyridazinyl, "Het" being optionally substituted by up to two substituents each independently selected from halo, CF.sub.3, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, hydroxy, amino and azido; and m is 1 or 2.
3-喹啉基丁酸丁酯和丙酸丙酯抗胆碱能支气管扩张剂,特别适用于慢性阻塞性气道疾病和哮喘的治疗,其化学式(1),及其药学上可接受的盐,其中X是(a)苯基,可选择一个或两个取代基,每个取代基独立选择自卤素、三氟甲基、C1-C4烷基、C1-C4烷氧基和羟基,或(b)噻吩基;“Het”是(a)5-成员含氮杂环基,通过相邻碳原子或环氮原子连接到相邻碳原子,可选择自咪唑基、吡唑基、三唑基和四唑基,或(b)通过碳原子连接到相邻碳原子的氧代二唑基或硫代二唑基,或(c)通过碳原子连接到相邻碳原子的6-成员含氮杂环基,可选择自吡啶基、吡嗪基、嘧啶基和吡啶嗪基,“Het”可选择一个或两个取代基,每个取代基独立选择自卤素、三氟甲基、C1-C4烷基、C1-C4烷氧基、羟基、氨基和叠氮基;m为1或2。