Psychogeriatric 1-(2-pyrimidinyl)piperazinyl derivatives of
申请人:Bristol-Myers Company
公开号:US04668687A1
公开(公告)日:1987-05-26
A series of nootropic compounds of the following formula: ##STR1## and its pharmaceutically acceptable acid addition salts, wherein: R.sup.2 is hydrogen, lower alkyl, aryl which is optimally substituted, or hetaryl; R.sup.7 is hydrogen or is combined with R.sup.9 as a fused benzo-ring; R.sup.8 is hydrogen or lower alkyl; and R.sup.9 is lower alkyl, or R.sup.9 can be combined with R.sup.8 to give a 2-pyrrolidinone, a phthalimide, or isoindolone ring system. Pharmacological testing demonstrates that the series possesses cognition and memory enhancing actions and/or mild CNS simulation.