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F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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Application filed by F Hoffmann La Roche AGfiledCriticalF Hoffmann La Roche AG
Priority to ES0217421ApriorityCriticalpatent/ES217421A1/es
Publication of ES217421A1publicationCriticalpatent/ES217421A1/es
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Procedimiento para la preparación de nuevos derivados de la xantina y de sus sales, caracterizado porque se hace reaccionar 1,3-dialcohil-xantinas en un disolvente orgánico a 100-150º C. con nitrilo acrílico en presencia de catalizadores básicos y de antipolimerizantes y, eventualmente, hidrogenando las 1,3-dialcohil-7- cianetil-xantinas obtenidas bajo presión y en presencia de catalizadores de hidrogenación.
ES0217421A1954-09-161954-09-16Un procedimiento para la preparacion de nuevos derivados de la xantina y de sus sales
ExpiredES217421A1
(es)