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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/en
Low-Molecular Organic Synthesis Reactions Using Catalysts
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Abstract
Process for the preparation of a sulfonamidated pyrimidine, characterized in that the 5-amino-2,4-dimethyl-pyrimidine is reacted with a p, p'-disulfohalogenated azobenzene, and because the p, p'-bis- [ 2,4-dimethyl-5-aminosulfonyl] -azobenzene obtained in 5-sulfanilamido-2,4-dimethyl-pyrimidine. (Machine-translation by Google Translate, not legally binding)
ES0233446A1956-02-071957-02-06Procedure for the preparation of a pyridine sulfonamidate (Machine-translation by Google Translate, not legally binding)
ExpiredES233446A1
(en)