申请人:Sanofi
公开号:US05028710A1
公开(公告)日:1991-07-02
The object of the invention is a process for the preparation of derivatives of 3-sulfonyl indolizine of general formula: ##STR1## in which: R is selected from hydrogen, alkyl, cycloalkyl, substituted or unsubstituted phenyl, R.sub.1 is a protecting group for hydroxyl, R.sub.2 and R.sub.3, identical or different, is each selected from hydrogen, methyl or ethyl or halogen. These compounds are intermediates which can be used for the preparation of 3-aminoalkoxyphenylsulfonyl-indolizines, which are useful in the treatment of certain diseases of the cardiovascular system.
本发明的对象是一种制备3-磺酰基吲哚啉衍生物的方法,其一般化学式为:##STR1## 其中:R从氢、烷基、环烷基、取代或未取代苯中选择,R.sub.1是羟基的保护基,R.sub.2和R.sub.3,相同或不同,分别选择自氢、甲基或乙基或卤素。这些化合物是中间体,可用于制备3-氨基烷氧基苯磺酰基吲哚啉,对心血管系统某些疾病的治疗具有用处。