申请人:——
公开号:US04668798A1
公开(公告)日:1987-05-26
The present invention relates to a novel process for preparing pyrrolidine derivatives of the formula(I): ##STR1## characterized in that the compound of formula(II): ##STR2## wherein, X is halogen atom such as bromo or chloro; is reacted with the aqueous solution of the compound of formula(III): ##STR3## wherein, M is alkali metal, Z is sulfur or oxygen; and followed by hydrolysis in the presence of an acid. The compounds according to this invention are useful as drugs for lowering blood pressure and preventing hypertension.
本发明涉及一种制备式(I)的吡咯烷衍生物的新工艺:##STR1## 其中,化合物式(II):##STR2## 其中,X是卤素原子,例如溴或氯;与化合物式(III)的水溶液发生反应:##STR3## 其中,M是碱金属,Z是硫或氧;然后在酸的存在下进行水解。本发明的化合物可用作降低血压和预防高血压的药物。