Described herein are compounds represented by formula (I) or formula (la) or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising the same and methods of preparing and using the same. The variables R1, R2, R3, R4, R5, R6, Y1, Y2, D, E, G1, G2, n and p are as defined herein.
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.
EFFLAND, R. C.;GARDNER, B. A.;STRUPCZEUSKI, J., J. HETEROCYCL. CHEM., 1981, 18, N 4, 811-814
作者:EFFLAND, R. C.、GARDNER, B. A.、STRUPCZEUSKI, J.
DOI:——
日期:——
N-(3-Benzoyl-propyl)-spiro-(dihydrobenzofuranpiperidine und -pyrrolidine) und Derivate, Verfahren zu ihrer Herstellung und ihre Verwendung für Arzneimittel
申请人:HOECHST AKTIENGESELLSCHAFT
公开号:EP0004951B1
公开(公告)日:1982-01-13
Spiro-(dihydrobenzofuranpiperidine und -pyrrolidine) und deren Derivate, Verfahren zu ihrer Herstellung und ihre Verwendung für Arzneimittel