[NH2:1][C:2]1[CH:3]=[CH:4][C:5]([Cl:24])=[C:6]([S:8]([NH:11][C:12]([NH:14][C:15]2[N:20]=[C:19]([O:21][CH3:22])[N:18]=[C:17]([CH3:23])[N:16]=2)=[O:13])(=[O:10])=[O:9])[CH:7]=1.[C:25]([O:28][C:29](=O)[CH3:30])(=[O:27])[CH3:26].[CH:32](Cl)(Cl)Cl>>[NH2:1][C:2]1[CH:3]=[CH:4][C:5]([CH3:32])=[C:6]([S:8]([NH:11][C:12]([NH:14][C:15]2[N:20]=[C:29]([O:28][CH3:25])[CH:30]=[C:17]([CH3:23])[N:16]=2)=[O:13])(=[O:9])=[O:10])[CH:7]=1.[C:25]([NH:1][C:2]1[CH:3]=[CH:4][C:5]([Cl:24])=[C:6]([S:8]([NH:11][C:12]([NH:14][C:15]2[N:20]=[C:19]([O:21][CH3:22])[N:18]=[C:17]([CH3:23])[N:16]=2)=[O:13])(=[O:10])=[O:9])[CH:7]=1)(=[O:27])[CH3:26]To a solution of 37.3 g of 5-amino-2-chloro-N-[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)aminocarbonyl]benzenesulfonamide prepared in a minimum amount of boiling chloroform, is added with vigorous stirring 20.4 g of acetic anhydride. The resulting mixture is then refluxed for 2 hours, the chloroform, excess acetic anhydride and acetic acid are removed in vacuo to yield as residue the desired product, 5-acetamido-2-chloro-N-[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)aminocarbonyl]benzenesulfonamide.
Wird geladen…