PROCESS FOR THE PREPARATION OF PIPERAZINE DERIVATIVES

PROCESS FOR THE PREPARATION OF PIPERAZINE DERIVATIVES

PROCESS FOR THE PREPARATION OF PIPERAZINE DERIVATIVES A b s t r a c t The invention relates to an improved process for the preparation of a piperazine derivative of the formula (I), (I) wherein R stands for a hydrogen atom or a methyl group, or a salt thereof. According to the invention an amine com...

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Hauptverfasser: CSEHI, ATTILA, GIZUR, TIBOR, HARSANYI, KALMAN, AGAI, EVA, SZABO, GYORGYI, DEMETER, ANIKO, VAJDA, EVA, TRISCHLER, FERENC
Format: Patent
Sprache:eng ; fre
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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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creator CSEHI, ATTILA
GIZUR, TIBOR
HARSANYI, KALMAN
AGAI, EVA
SZABO, GYORGYI
DEMETER, ANIKO
VAJDA, EVA
TRISCHLER, FERENC
description PROCESS FOR THE PREPARATION OF PIPERAZINE DERIVATIVES A b s t r a c t The invention relates to an improved process for the preparation of a piperazine derivative of the formula (I), (I) wherein R stands for a hydrogen atom or a methyl group, or a salt thereof. According to the invention an amine compound of the formula (II) (II) is reacted with a compound of the formula (III), (III) in which R is as defined above, or with an acid addition salt thereof.
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subjects 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
title PROCESS FOR THE PREPARATION OF PIPERAZINE DERIVATIVES
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