申请人:Pfizer Inc.
公开号:US03932639A1
公开(公告)日:1976-01-13
Compounds of the formulae: ##SPC1## And the salts thereof with pharmaceutically acceptable cations wherein R.sup.1 is 3-trifluoromethyl, chloro, bromo or fluoro; n and m are each two or three; X is oxygen or sulphur; R.sup.2 and R.sup.3, when taken separately, are each hydrogen or alkyl having 1 to 4 carbon atoms; R.sup.2 and R.sup.3, when taken together, are alkylene having 2 to 4 carbon atoms; Y is methylene or a single bond; R.sup.4 and R.sup.5, when taken separately, are each hydrogen, hydroxy or alkoxy having 1 to 4 carbon atoms, and R.sup.4 and R.sup.5, when taken together, are oxo or alkylene dioxy having 2 to 4 carbon atoms, each oxygen atom in R.sup.4 and R.sup.5, when taken separately, and in R.sup.4 and R.sup.5, when taken together, being separated from the nitrogen atom of the heterocyclic ring by two or more carbon atoms, said compounds being cerebral vasodilators.
以下是该文本的中文翻译:
式子为:##SPC1## 的化合物及其与药学上可接受的阳离子形成的盐,其中 R.sup.1 是3-三氟甲基,氯,溴或氟;n和m分别为二或三;X为氧或硫;当R.sup.2和R.sup.3分别取时,它们各自是氢或具有1至4个碳原子的烷基;当R.sup.2和R.sup.3一起取时,它们为具有2至4个碳原子的烷基;Y为亚甲基或单键;当R.sup.4和R.sup.5分别取时,它们各自是氢,羟基或具有1至4个碳原子的烷氧基,当R.sup.4和R.sup.5一起取时,它们为具有2至4个碳原子的氧代或烷基二氧基,其中R.sup.4和R.sup.5中的每个氧原子在单独取时,以及在一起取时,都与杂环环上的氮原子相隔两个或更多个碳原子,这些化合物是脑血管扩张剂。