Optically active piperazine derivative

Details Optically active piperazine derivative Optically active piperazine derivative

1989-08-07

1990-12-18

Shen, Cecilia

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

544396, A61K 31495, C07D29508

Patent

active

049786660

ABSTRACT:
A novel (-)-optically active piperazine derivative of the formula: ##STR1## (wherein the mark of * indicates an optically active carbon) shows an increased cerebral circulation-improving effect as well as an enhanced safety.

REFERENCES:
patent: 3868377 (1975-02-01), Raabe et al.
patent: 4528194 (1985-07-01), Masaki

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