ES255430A1 - A procedure for the preparation of 3, 5-disulfamilbenzoic acid and its organic and mineral salts (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the preparation of 3, 5-disulfamilbenzoic acid and its organic and mineral salts (Machine-translation by Google Translate, not legally binding)
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Sanofi Aventis France
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Roussel Uclaf SA
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Publication of ES255430A1publicationCriticalpatent/ES255430A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
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Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents
(AREA)
Abstract
A process for the preparation of 35-disulfamilbenzoic acid and its organic and mineral salts of formula ** in which r1 and r2 represent hun metal or a remainder of an organic basis representing r1 a metal or a remainder of an organic base more than if r2 also has this significance, in this case r1 and r2 identical, this process being particularly characterized in that the pyridinium sulfonic acid is reacted on the 35-diaminobenzoic acid and the disulfonylbenzoic acid thus formed is isolated by means of an appropriate organic salt which is ultimately transformed into the known procedures in the desired salt. (Machine-translation by Google Translate, not legally binding)
ES0255430A1959-02-271960-01-30A procedure for the preparation of 3, 5-disulfamilbenzoic acid and its organic and mineral salts (Machine-translation by Google Translate, not legally binding)
ExpiredES255430A1
(en)
A procedure for the preparation of 3, 5-disulfamilbenzoic acid and its organic and mineral salts (Machine-translation by Google Translate, not legally binding)
A procedure for the preparation of 3, 5-disulfamilbenzoic acid and its organic and mineral salts (Machine-translation by Google Translate, not legally binding)
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