4-Chlorobenzenesulfonyl isocyanate → HCID 18971498, compound

Participants

Reaction Steps

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).

Provenance & Evidence