Thionyl Chloride → 4-Benzoyloxy-3-(2-pyridylazo)-1-naphthalenesulfonyl chloride
反応式
[C:1]([O:9][C:10]1[C:19]2[C:14](=[CH:15][CH:16]=[CH:17][CH:18]=2)[C:13]([S:20](O)(=[O:22])=[O:21])=[CH:12][C:11]=1[N:24]=[N:25][C:26]1[CH:31]=[CH:30][CH:29]=[CH:28][N:27]=1)(=[O:8])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.S(Cl)([Cl:34])=O>CN(C)C=O>[C:1]([O:9][C:10]1[C:19]2[C:14](=[CH:15][CH:16]=[CH:17][CH:18]=2)[C:13]([S:20]([Cl:34])(=[O:22])=[O:21])=[CH:12][C:11]=1[N:24]=[N:25][C:26]1[CH:31]=[CH:30][CH:29]=[CH:28][N:27]=1)(=[O:8])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1参加物
4
実験手順
4-Benzoyloxy-3-(2-pyridylazo)-1-naphthalenesulfonic acid (70 g) was added to thionyl chloride (300 ml). Dimethylformamide (30 ml) was added in portions while the reaction mixture was being stirred. After 1 hour the starting material was all in solution. The reaction mixture was poured into a large quantity of ice after a further 4 hours' stirring. The product was filtered off and dissolved in chloroform. The chloroform layer was shaken with water to destroy any remaining thionyl chloride and dried over magnesium sulfate.