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Novartis AG
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Ciba Geigy AG
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Publication date
Application filed by Ciba Geigy AGfiledCriticalCiba Geigy AG
Publication of ES210771A1publicationCriticalpatent/ES210771A1/es
Procedimiento para la obtención de esteroides con oxigeno en posición "11" caracterizado porque se tratan ésteres sulfónicos de 11β-aciloxi-12α-oxi-esteroides con agentes hidrolizadores y sobre los 11,12β-óxidos así obtenidos se hace eventualmente reaccionar ácido clorhídrico.
ES0210771A1952-09-181953-08-06PROCEDIMIENTO PARA LA OBTENCION DE ESTEROIDES CON OXiGENO EN POSICION 11
ExpiredES210771A1
(es)