2-Amino-4-chlorobenzoic acid → HCID 18971523, compound

Participants

Reaction Steps

1.14 g (5.35 mmol) of 4-methoxybenzenesulfonylisocyanate and 938 mg (5.35 mmol) of 2-amino-4-chlorobenzoic acid were treated in the same way as in Example 1 to obtain 938 mg of the above-identified compound (yield 64.3%). Properties: colorless crystal, Melting point: >200° C. (decomposition), PMR (δppm, DMSO-d6):3.88 (3H,s), 7.12 (1H,s), 7.17-7.23 (3H,m), 7.85 (1H,d), 8.10 (2H,d), 11.68 (1H,br).

Provenance & Evidence