1,4-Substituted piperazinyl derivatives useful as psychostimulan

Details 1,4-Substituted piperazinyl derivatives useful as psychostimulan 1,4-Substituted piperazinyl derivatives useful as psychostimulan

1977-02-14

1979-03-13

Shaver, Paul F.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Bacterium or component thereof or substance produced by said...

542405, 542429, 542431, 542432, 542468, 542440, 542474, 542470, 424275, 424278, A01N 900

Patent

active

041443373

ABSTRACT:
The invention provides compounds of formula I, ##STR1## wherein each of R.sub.1 and R.sub.4, which may be the same or different, is hydrogen, halogen, alkyl or alkoxy; each of R.sub.2 and R.sub.3 is hydrogen, or together, oxygen; B and D together with the carbon atoms to which they are bound may be a benzene ring or a substituted or unsubstituted thiophene ring and A may, for example, be oxygen, sulpur, --CH.sub.2 --O--, --CH.sub.2 --S, ethylene or vinylene, useful as psychostimulants and vigilance-increasing agents.

REFERENCES:
patent: 2882271 (1959-04-01), Janssen
patent: 3459745 (1969-08-01), Fouche
patent: 3480624 (1969-11-01), Fouche
patent: 3511841 (1970-05-01), Archer
patent: 3719679 (1973-03-01), Boissier

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