[NH2:1][C:2]1[CH:3]=[C:4]([OH:8])[CH:5]=[CH:6][CH:7]=1.[N+:9]([C:12]1[CH:17]=[CH:16][C:15]([S:18](Cl)(=[O:20])=[O:19])=[CH:14][CH:13]=1)([O-:11])=[O:10].C(O)(=O)C>N1C=CC=CC=1>[N+:9]([C:12]1[CH:13]=[CH:14][C:15]([S:18]([NH:1][C:2]2[CH:3]=[C:4]([OH:8])[CH:5]=[CH:6][CH:7]=2)(=[O:20])=[O:19])=[CH:16][CH:17]=1)([O-:11])=[O:10]A mixture of 3-aminophenol (33 g, 0.3 mole) and p-nitrobenzenesulfonyl chloride (66 g, 0.3 mole) in pyridine (350 ml) was heated at 80° on a steam bath for 4 hours. The reaction mixture was poured on ice and acidified with acetic acid. The precipitated product was filtered and recrystallized from isopropanol and gave 50 g (49%) of product which was used in Part B.
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