O-Ethylvanillin → N-(3-amino-4-fluorophenyl)-8-ethoxy-2-oxo-2H-chromene-3-sulfonamide
Reaction equation
[CH2:1]([O:3][C:4]1[CH:11]=[CH:10][CH:9]=[C:6]([CH:7]=O)[C:5]=1[OH:12])[CH3:2].[NH2:13][C:14]1[CH:15]=[C:16]([CH:25]=[CH:26][C:27]=1[F:28])[NH:17][S:18]([CH2:21][C:22](O)=[O:23])(=[O:20])=[O:19]>C(O)(=O)C>[NH2:13][C:14]1[CH:15]=[C:16]([NH:17][S:18]([C:21]2[C:22](=[O:23])[O:12][C:5]3[C:6]([CH:7]=2)=[CH:9][CH:10]=[CH:11][C:4]=3[O:3][CH2:1][CH3:2])(=[O:20])=[O:19])[CH:25]=[CH:26][C:27]=1[F:28]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
A solution of 3-ethoxysalicylaldehyde (1 mmol) and 3-amino-4-fluoroanilinosulfonyl 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. 160-162° C.
Sources & evidence
- ORD record
- ord-70b5f49a4c8845969920363ee59f8ba2
- Source dataset
- uspto-grants-2012_03
- Patent number
- US08143428B2
Reaction notes
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