3-Bromo-2-hydroxybenzaldehyde → N-(4-bromophenyl)-8-bromo-2-oxo-2H-chromene-3-sulfonamide
Reaction equation
[Br:1][C:2]1[CH:9]=[CH:8][CH:7]=[C:4]([CH:5]=O)[C:3]=1[OH:10].[Br:11][C:12]1[CH:25]=[CH:24][C:15]([NH:16][S:17]([CH2:20][C:21](O)=[O:22])(=[O:19])=[O:18])=[CH:14][CH:13]=1>C(O)(=O)C>[Br:11][C:12]1[CH:13]=[CH:14][C:15]([NH:16][S:17]([C:20]2[C:21](=[O:22])[O:10][C:3]3[C:4]([CH:5]=2)=[CH:7][CH:8]=[CH:9][C:2]=3[Br:1])(=[O:19])=[O:18])=[CH:24][CH:25]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
A solution of 3-bromosalicylaldehyde (1 mmol) and 4-bromoanilinosulfonyl acetic acid (1 mmol) in acetic acid (10 mL) was subjected to the General Procedure 1, Method A to yield the title compound; m.p. 206-208° C.