p-Toluenesulfonyl isocyanate → HCID 18971544, compound

Participants

Reaction Steps

269 mg (1.36 mmol) of p-toluenesulfonylisocyanate and 190 mg (1.20 mmol) of 2-amino-4-methoxybenzoic acid were treated in the same way as in Example 1 to obtain 211 mg of the above-identified compound (yield 53.5%). Properties: colorless crystal, Melting point: 228°-231° C., PMR (δppm, DMSO-d6):2.43 (3H,s), 3.79 (3H,s), 7.07 (1H,d), 7.29 (2H,br), 7.45-7.54 (2H,m), 8.04 (2H,d), 11.37 (1H,s).

Provenance & Evidence