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F Hoffmann La Roche AG
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F Hoffmann La Roche AG
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Publication of ES233446A1publicationCriticalpatent/ES233446A1/es
Low-Molecular Organic Synthesis Reactions Using Catalysts
(AREA)
Abstract
Procedimiento para la preparación de un sulfonamidado pirimidínico, caracterizado porque se hace reaccionar la 5-amino-2.4-dimetil-pirimidina con un p,p'-disulfohalogenado de azobenceno, y porque se transforma por reducción el p,p'-bis-[2,4-dimetil-5-aminosulfonil]-azobenceno obtenido en 5-sulfanilamido-2,4-dimetil-pirimidina.
ES0233446A1956-02-071957-02-06PROCEDIMIENTO PARA LA PREPARACIoN DE UN SULFONAMIDADO PIRIDINICO
ExpiredES233446A1
(es)