N-(3-BENZOYLPROPYL)-SPIRO-(DIHYDROBENZOFURANPIPERIDINES AND -PYRROLIDINES), DERIVATIVES THEREOF, METHODS FOR THEIR PREPARATION AND THEIR USE FOR MEDICINES

摘要

of the disclosure: Novel N-¢3-(4-fluorobenzoyl)propyl!spiro¢dihydrobenzo= furanpiperidine and -pyrrolidine!s and method of preparing same are described. These compounds are useful as analgetic and tranquilizers.