4-Chlorobenzenesulfonyl isocyanate → HCID 18971532, compound

Participants

Reaction Steps

365 mg (1.68 mmol) of 4-chlorobenzenesulfonylisocyanate and 230 mg (1.40 mmol) of 2-amino-4,5-dimethylbenzoic acid were treated in the same way as in Example 1 to obtain 80 mg of the above-identified compound (yield 15.7%). Properties: colorless crystal, Melting point: 221°-222° C., PMR (δppm, DMSO-d6): 2.23 (3H,s), 2.27 (3H,s), 6.89 (1H,s), 7.60 (1H,s), 7.75 (2H,d), 8.15 (2H,d), 11.40 (1H,br).

Provenance & Evidence