1,3,4,6,7,11b-Hexahydro-7-aryl-2H-pyrazino (2,1-alpha) isoquinolines useful as intermediates and pharmaceutical compounds and methods of preparation
申请人:PENNWALT CORPORATION
公开号:EP0107825A1
公开(公告)日:1984-05-09
Compounds of formula
wherein R1 is hydrogen, alkyl, cycloalkyl, alkanoyl, aralkyl, aralkanoyl, aryl or aroyl and R2 and R3 are the same or independently hydrogen, halogen, hydroxy, acyloxy, nitro, amino, aminoalkyl, trifluoromethyl, alkyl, alkoxy, acyl, cyano, or alkylamino with antidepressant, antihistaminic and cholinergic activity.