4-Chlorobenzenesulfonyl isocyanate → HCID 18971489, compound

Participants

Reaction Steps

2.00 g (9.19 mmol) of 4-chlorobenzenesulfonylisocyanate and 1.40 g (8.38 mmol) of 2-amino-3-methoxybenzoic acid were treated in the same way as in Example 1 to obtain 2.58 g of the above-identified compound (yield 84.0%). Properties: colorless crystal, Melting point: 220°-222° C., PMR (δppm, DMSO-d6): 3.88 (3H,s), 7.16 (1H,t), 7.32 (1H,d), 7.43 (1H,d), 7.76 (2H,d), 8.17 (2H,d), 10.95 (1H,br).

Provenance & Evidence