Methanesulfonyl chloride → HCID 15729162、化合物
反応式
[C:1]([NH:4][C:5]1[S:6][C:7]([S:10][C:11]2[CH:16]=[CH:15][C:14]([NH2:17])=[CH:13][CH:12]=2)=[CH:8][N:9]=1)(=[O:3])[CH3:2].[CH3:18][S:19](Cl)(=[O:21])=[O:20]>N1C=CC=CC=1>[C:1]([NH:4][C:5]1[S:6][C:7]([S:10][C:11]2[CH:16]=[CH:15][C:14]([NH:17][S:19]([CH3:18])(=[O:21])=[O:20])=[CH:13][CH:12]=2)=[CH:8][N:9]=1)(=[O:3])[CH3:2]参加物
4
実験手順
A solution of 2-acetamido-5-(4-aminophenylthio)thiazole (3.2 g) in pyridine (64 ml) was added methanesulfonyl chloride (1.52 g) at 5° C. with stirring. The reaction mixture was stirred for 3 hours at 5° C. and concentrated in vacuo to give solid. The solid was subject to column chromatography on silica gel (silica gel, 70-230 mesh; Merck: 200 g) and eluted with a mixture of chloroform and methanol (50:1) and eluted with a mixture of chloroform and methanol (20:1). The fractions containing the objective compound were combined and evaporated to dryness in vacuo to give 2-acetamido-5-(4-methanesulfonylaminophenylthio)thiazole (4.0 g, yield: 96.6%). mp: 236°-239° C.