Ammonia → Cleve's acid
反応式
Cl[C:2]1[C:11]2[C:6](=[CH:7][CH:8]=[C:9]([S:12]([OH:15])(=[O:14])=[O:13])[CH:10]=2)[C:5]([S:16]([OH:19])(=[O:18])=[O:17])=[CH:4][CH:3]=1.[NH3:20]>O>[NH2:20][C:2]1[C:11]2[C:6](=[CH:7][CH:8]=[C:9]([S:12]([OH:15])(=[O:14])=[O:13])[CH:10]=2)[C:5]([S:16]([OH:19])(=[O:18])=[O:17])=[CH:4][CH:3]=1.[NH2:20][C:2]1[C:11]2[C:6](=[CH:7][CH:8]=[C:9]([S:12]([OH:15])(=[O:14])=[O:13])[CH:10]=2)[CH:5]=[CH:4][CH:3]=1参加物
5
実験手順
Process of claim 1 wherein 1-aminonaphthalene-4,7-disulphonic acid is prepared from 1-chloronaphthalene-4,7-disulphonic acid at temperatures below 220° C, and then the temperature of the reaction mixture is raised to 220° to 350° C in the presence of ammonia and water so as to obtain 1-aminonaphthalene-7-sulphonic acid.