Cl.[NH2:2][NH2:3].C(=O)(O)[O-].[Na+].[S:9]([C:13]1[CH:14]=[C:15]([CH:19]=[CH:20][C:21]=1[Cl:22])[C:16](Cl)=[O:17])(=[O:12])(=[O:11])[NH2:10].[CH:23](O)([CH3:25])[CH3:24]>O>[CH:23]([N:2]([C:13]1[CH:14]=[CH:15][CH:19]=[CH:20][CH:21]=1)[NH:3][C:16](=[O:17])[C:15]1[CH:19]=[CH:20][C:21]([Cl:22])=[C:13]([S:9](=[O:12])(=[O:11])[NH2:10])[CH:14]=1)([CH3:25])[CH3:24]Neutralization of the hydrazine hydrochloride of Example 2 was effected by stirring with 19.6 g (0.21 mol) sodium bicarbonate in 100 ml isopropanol. When gas evolution ceased (1 1/2hours) the system was cooled in an ice-water bath, and 25 g (0.1 mol) 3-sulfamoyl-4-chlorobenzoyl chloride was added in several portions. Throughout this addition the temperature was maintained between 5° and 20° C. After the addition the reaction mixture was stirred at room temperature overnight. The reaction mixture was then cooled to 0°-5° C., diluted with 80 ml water, and stirred for 2 more hours.
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