Patent Document ID: 4500531
Application ID: 06461701
Patent Flag: 1

Claim One:
1. The method of stimulating or protecting cerebral function in a human being in order to increase mental alertness and capacity and to improve the focus on and performance of mental tasks, which comprises administering internally to a human being requiring such treatment a therapeutically effective amount of a compound of the formula ##STR27## wherein Ar is selected from the group consisting of 3,4,5-trimethoxyphenyl and 3,5-dimethoxy-4-hydroxyphenyl, and, when Ar is 3,4,5-trimethoxyphenyl, the pair X and A are selected from the group consisting of (a) X is trans-CH.dbd.CH--CO-- linked to Ar through its carbon atom 3, and A is ##STR28## (b) X is cis-CH.dbd.CH--CO-- linked to Ar through its carbon atom 3 and A is ##STR29## and (c) X is --CH.sub.2 --CH.sub.2 --CO-- linked to Ar through its carbon atom 3, and A is ##STR30## and when Ar is 3,5-dimethoxy 4-hydroxy phenyl group, X is trans--CH.dbd.CH--CO-- linked to Ar through its carbon atom 3 and A is the ##STR31## or a pharmacological acceptable acid addition salt of said compound.