PROCESS FOR PREPARING 1,1,3-TRIOXO-1,2-BENZOTHIAZOLE-6-CARBOXAMID E
A process for preparing, 1,1,3-trioxo-1,2-benzothiazole-6-carboxamide of formula (I) comprising: (a) oxidizing 2,5-dimethyl-benzenesulfonamide of formula (II) in the presence of an oxidizing agent to receive 2-sulfamoyl-terephthalic acid of formula (III); (b) converting the formed 2-sulfamoyl-tereph...
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Zusammenfassung: | A process for preparing, 1,1,3-trioxo-1,2-benzothiazole-6-carboxamide of formula (I) comprising: (a) oxidizing 2,5-dimethyl-benzenesulfonamide of formula (II) in the presence of an oxidizing agent to receive 2-sulfamoyl-terephthalic acid of formula (III); (b) converting the formed 2-sulfamoyl-terephthalic acid of formula (III) to receive 2-sulfamoyl-terephthalic acid derivative of formula (IV); and (c) reacting the resulting 2-sulfamoyl-terephthalic acid derivative of formula (IV) with ammonia (NH3) or ammonium containing-salt; wherein R represents OR' or CI and R' represents a branched or non-branched C1-C12 alkyl.
Se describe un proceso para la preparación de 11133-trioxo-112-benzotiazol-6-carboxamida de la fórmula (I) que comprende: (a) oxidar 2,5-dimetil-bencenosulfonamida de la formula (11) en presencia de un agente oxidante para recibir acido 2-sulfamoil-tereftalico de la formula (III); (b) convertir el ácido 2- sulfamoil-tereftálico formado de la formula (III) para recibir un derivado de ácido 2-sulfamoil-tereftalico de la fórmula (IV); y (c) hacer reaccionar el derivado resultante de ácido 2-sulfamoil-tereftalico de la formula (IV) con amoniaco (NH3) o con una sal que contenga amonio; en donde R representa OR' o CI y R' representa un alquilo C,-C12 ramificado o no ramificado. |
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