申请人:American Hoechst Corporation
公开号:US04166120A1
公开(公告)日:1979-08-28
Novel N-[3-benzoylpropyl]spiro[dihydrobenzofuran-piperidine and pyrrolidine]s and methods of preparing same are described. These compounds are useful as analgetics and tranquilizers.
描述了一种新型N-[3-苯甲酰基丙基]螺[二氢苯并呋喃-哌啶和吡咯烷]类化合物及其制备方法。这些化合物可用作镇痛剂和镇静剂。