Tetrahydro-3,5-dioxo-1H-pyrrolizine-7a (5H)- alkanoic acids, base addition salts, esters, and amides are disclosed, which are useful as agents for the reversal of amnesia. Pharmaceutical compositions containing said compounds and the use of such compositions for treating senility and reversal of amnesia are also taught.
TETRAHYDRO-3,5-DIOXO-1H-PYRROLIZINE-7A(5H)-CARBOXYLIC ACIDS AND DERIVATIVES AS COGNITION ACTIVATORS