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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Bibliographische Detailangaben
Hauptverfasser:	CSEHI, ATTILA, GIZUR, TIBOR, HARSANYI, KALMAN, AGAI, EVA, SZABO, GYORGYI, DEMETER, ANIKO, VAJDA, EVA, TRISCHLER, FERENC
Format:	Patent
Sprache:	eng ; 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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Beschreibung
Zusammenfassung:	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.