2-Amino-4-chlorobenzoic acid → HCID 15551246, compound

Participants

Reaction Steps

1.12 g (4.65 mmol) of 4-methoxycarbonylbenzenesulfonylisocyanate and 798 mg (4.65 mmol) of 2-amino-4-chlorobenzoic acid were treated in the same way as in Example 1 to obtain 1.08 g of the above-identified compound (yield 58.9%). Properties: colorless crystal, Melting point: >230° C., PMR (δppm, DMSO-d6): 3.91 (3H,s), 7.13 (1H,s), 7.23 (1H,d), 7.86 (1H,d), 8.20 (2H,d), 8.29 (2H,d), 11.80 (1H,br).

Provenance & Evidence