首页>
外国专利>
NOVEL PROCESS FOR INDUSTRIAL PREPARATION OF 4-CHLORO 3-SULFAMOYL N-(2,3-DIHYDRO 2-METHYL 1H-INDOL-1-YL) BENZAMIDE FROM 2,3-DIHYDRO 2-METHYL 1H-INDOLE AND HYDROXYLAMINE-0-SULFONIC ACID
NOVEL PROCESS FOR INDUSTRIAL PREPARATION OF 4-CHLORO 3-SULFAMOYL N-(2,3-DIHYDRO 2-METHYL 1H-INDOL-1-YL) BENZAMIDE FROM 2,3-DIHYDRO 2-METHYL 1H-INDOLE AND HYDROXYLAMINE-0-SULFONIC ACID
The invention relates to a new process for the industrial preparation of 4-chloro 3-sulfamoyl N- (2,3-dihydro 2-methyl 1H-indol-1-yl) benzamide from 2,3-dihydro 2-methyl 1H- indole and hydroxylamine-O-sulfonic acid.
展开▼