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Laboratorios Ausonia SA
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Laboratorios Ausonia SA
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Priority to ES0249831ApriorityCriticalpatent/ES249831A1/es
Publication of ES249831A1publicationCriticalpatent/ES249831A1/es
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedimiento de obtención de la dihidroclorotiacida (6-cloro-7-sulfamil-3,4 dihidro-1,2,4-benzotiodiacina-1,1-dióxido), caracterizado por el empleo conjunto del tetracloetano, el cloruro sódico y el ácido clorosulfónico, en las proporciones respectivas, régimen de temperatura y manera de operar que se especifican en esta memoria, en el etapa de clorusulfonación de la metacloroanilina para obtener el 5-cloroanilina-2,4- disulfonilcloruro (etapa 1º de la síntesis de la dihidroclorotiacida).
ES0249831A1959-06-031959-06-03Procedimiento de obtenciën de la dihidroclorotiacida (6-cloro-7-sulfamil-3,4 dihidro-1,2,4-benzotiodiacina-1,1-diëxido)
ExpiredES249831A1
(es)