ES200424A2 - A procedure to prepare derivatives of the cumarina with biological effect. (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure to prepare derivatives of the cumarina with biological effect. (Machine-translation by Google Translate, not legally binding)
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SPOFA USINES PHARMA REUNIES EN
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SPOFA USINES PHARMA REUNIES EN
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Publication of ES200424A2publicationCriticalpatent/ES200424A2/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
An improvement in the process for the preparation of the coumarin derivatives with a biological effect according to the main patent number 191,609, characterized in that the 4-hydroxy-coumarin is condensed with the asymmetric dihalogenacetone, preferably with dichloroacetone. (Machine-translation by Google Translate, not legally binding)
ES0200424A1950-11-131951-11-12A procedure to prepare derivatives of the cumarina with biological effect. (Machine-translation by Google Translate, not legally binding)
ExpiredES200424A2
(en)