A PROCESS FOR THE PREPARATION OF BOSENTAN

The present invention relates to an improved process for the preparation of Bosentan or its salt. The present invention also relates to an improved process for the deprotection of hydroxy protected Bosentan. The present invention further relates to a pharmaceutical composition comprising Bosentan of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BINDU, MANOJKUMAR, GORE, VINAYAK, GHRAT, SUSHANT, KOKANE, DATTATREY, DANDALA, RAMESH, SHINDE, DATTATRAYA
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
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Beschreibung
Zusammenfassung:	The present invention relates to an improved process for the preparation of Bosentan or its salt. The present invention also relates to an improved process for the deprotection of hydroxy protected Bosentan. The present invention further relates to a pharmaceutical composition comprising Bosentan of formula I with excipients. La présente invention porte sur un procédé perfectionné pour la préparation de Bosentan ou de son sel. La présente invention porte également sur un procédé perfectionné pour la déprotection de Bosentan à hydroxy protégé. La présente invention porte en outre sur une composition pharmaceutique comprenant du Bosentan de formule (I) à excipients.