HCID 22347452, compound → HCID 9800616, compound

Participants

Reaction Steps

500 mg (1.23 mmol) of 3-benzyloxycarbonylamino-4-t-butoxycarbonylbenzenesulfonamide and 460 mg (1.22 mmol) of benzyl 4-methoxy-2-N-phenoxycarbonylanthranilate were treated in the same way as in Preparation Example 17 to obtain 15 mg (yield 3.1%: 4 steps) of the above-identified compound. Properties: colorless crystal, Melting point: >200° C. (decomposition), PMR (δ ppm, DMSO-d6): 3.82 (3H, s), 6.58 (1H, s), 6.80 (1H, d), 7.16 (1H, d), 7.56 (1H, s), 7.80 (1H, d), 7.90 (1H, d), 11.49 (1H, s).

Provenance & Evidence