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Merck KGaA
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E Merck AG
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Publication of ES255904A1publicationCriticalpatent/ES255904A1/es
Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members
(AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Procedimiento para la preparación de un derivado de la fenotiazina, caracterizado porque se oxida 10-(N-beta-hidroxietil-piperazinil-N''-propil)-2-cloro-fenotiazina, o una de sus sales, con un oxidante apropiado, preferentemente con peróxido de hidrógeno, y porque se aisla el óxido de 10-(N-beta-hidroxietil-piperazinil-N''-propil)-2-cloro-fenotiazina-5 de la mezcla reaccional con arreglo a métodos de por sí usuales.
ES0255904A1959-02-251960-02-19Procedimiento para la preparacion de un derivado de la fenotiazina
ExpiredES255904A1
(es)