4-Chlorobenzenesulfonyl isocyanate → HCID 18971456, compound

Participants

Reaction Steps

2.31 g (10.6 mmol) of 4-chlorobenzenesulfonylisocyanate and 1.50 g (9.67 mmol) of 2-amino-4-fluorobenzoic acid were treated in the same way as in Example 1 to obtain 2.87 g of the above-identified compound (yield 83.7%). Properties: colorless crystal, Melting point: >200° C., PMR (δppm, DMSO-d6): 6.86 (1H,d), 7.04 (1H,t), 7.76 (2H,d), 7.93 (1H,dd), 8.17 (2H,d), 11.65 (1H,br).

Provenance & Evidence