4-Chlorobenzenesulfonyl isocyanate → HCID 18971498, compound

HRID 2395301Notes

Reaction equation

HRID 2395301 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([S:8]([N:11]=[C:12]=[O:13])(=[O:10])=[O:9])=[CH:4][CH:3]=1.[NH2:14][C:15]1[CH:23]=[C:22]([O:24][CH3:25])[CH:21]=[CH:20][C:16]=1[C:17](O)=[O:18]>>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([S:8]([N:11]2[C:17](=[O:18])[C:16]3[C:15](=[CH:23][C:22]([O:24][CH3:25])=[CH:21][CH:20]=3)[NH:14][C:12]2=[O:13])(=[O:9])=[O:10])=[CH:6][CH:7]=1

Participants

3

Reactant 2

HCID 1385874-Chlorobenzenesulfonyl isocyanateHCID 3510102-Amino-4-methoxybenzoic acid

Product 1

HCID 18971498HCID 18971498, compoundYield 62.8%

Procedure

313 mg (1.44 mmol) of 4-chlorobenzenesulfonylisocyanate and 200 mg (1.20 mmol) of 2-amino-4-methoxybenzoic acid were treated in the same way as in Example 1 to obtain 252 mg of the above-identified compound (yield 62.8%). Properties: colorless crystal, Melting point: 205°-206° C., PMR (δppm, DMSO-d6):3.79 (3H,s), 7.08 (1H,d), 7.28-7.30 (2H,m), 7.75 (2H,d), 8.16 (2H,d), 11.42 (1H,br).

Sources & evidence

ORD record
ord-4f6d930221bb4a52a884f6056b25c841
Source dataset
uspto-grants-1998_09
Patent number
US05814631

Reaction notes

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