Process for the preparation of quinolizinone derivatives
申请人:Richardson-Merrell Inc.
公开号:US03983122A1
公开(公告)日:1976-09-28
Novel process for the preparation of compounds of the following general structure which are useful as antidepressant and antiparkinson agents: ##SPC1## Wherein R represents hydrogen, hydroxy, halogen, trifluoromethyl, straight or branched lower alkyl of from 1 to 6 carbon atoms or straight or branched lower alkoxy of from 1 to 6 carbon atoms; R.sub.1 represents hydrogen, lower alkyl of from 1 to 6 carbon atoms, phenyl or benzyl; n is an integer of from 1 to 3; m is an integer of 1 or 2; and individual optical and geometric isomers and pharmaceutically acceptable acid addition salts thereof.