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SPOFA USINES PHARMA REUNIES EN
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SPOFA USINES PHARMA REUNIES EN
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Application filed by SPOFA USINES PHARMA REUNIES ENfiledCriticalSPOFA USINES PHARMA REUNIES EN
Publication of ES200424A2publicationCriticalpatent/ES200424A2/es
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Un perfeccionamiento en el procedimiento de preparación de los derivados de la cumarina con efecto biólogico según la patente principal número 191.609, caracterizado por que se hace condensar la 4-hidroxi-cumarina con la dihalogenoacetona asimétrica, con preferencia con dicloroacetona.
ES0200424A1950-11-131951-11-12UN PROCEDIMIENTO DE PREPARAR DERIVADOS DE LA CUMARINA CON EFECTO BIOLoGICO.
ExpiredES200424A2
(es)