2-Amino-4-chlorobenzoic acid → HCID 18971414, compound

Participants

Reaction Steps

897 mg (3.69 mmol) of 3,4-dimethoxybenzenesulfonylisocyanate and 633 mg (3.69 mmol) of 2-amino-4-chlorobenzoic acid were treated in the same way as in Example 1 to obtain 512 mg of the above-identified compound (yield 35.0%). Properties: colorless crystal, Melting point: >250° C., PMR (δppm, DMSO-d6): 3.85 (3H,s), 3.88 (3H,s), 7.12 (1H,s), 7.22 (2H,d), 7.67 (1H,s), 7.77 (1H,d), 7.86 (1H,d), 11.63 (1H,br).

Provenance & Evidence