NOUVEAUX DERIVES DE LA PIPERAZINE ET LEURS SELS, LEUR PROCEDE DE PREPARATION ET LEUR APPLICATION EN THERAPEUTIQUE

NOUVEAUX DERIVES DE LA PIPERAZINE ET LEURS SELS, LEUR PROCEDE DE PREPARATION ET LEUR APPLICATION EN THERAPEUTIQUE

A piperazine derivative of the formula: wherein R1 is a hydrogen atom or a lower alkyl group; R2 is a hydroxyl group, an aralkyloxy group, a lower alkoxy group containing 1-5 carbon atoms or a lower alkenyloxy group containing 3-5 carbon atoms; R3 is a hydrogen atom, or an aralkyloxy group, a lower...

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1. Verfasser: MITSUO MASAKI
Format: Patent
Sprache:fre
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Zusammenfassung:A piperazine derivative of the formula: wherein R1 is a hydrogen atom or a lower alkyl group; R2 is a hydroxyl group, an aralkyloxy group, a lower alkoxy group containing 1-5 carbon atoms or a lower alkenyloxy group containing 3-5 carbon atoms; R3 is a hydrogen atom, or an aralkyloxy group, a lower alkoxy group containing 1-5 carbon atoms or a lower alkenyloxy group containing 3-5 carbon atoms; and R4 is a hydrogen atom or a lower alkoxy group containing 1-5 carbon atoms, provided that R2 is a group other than the lower alkoxy group containing 1-5 carbon atoms when both R3 and R4 are hydrogen atoms; or a pharmaceutically acceptable salt is effectively useful as a cerebral circulation-improving agent.