HCID 22347436, compound → HCID 9930602, compound

Participants

Reaction Steps

From 300 mg (0.74 mmol) of 3-benzyloxycarbonylamino-4-t-butoxycarbonylbenzenesulfonamide and 310 mg (0.81 mmol) of 5-chloro-2-N-phenoxycarbonylanthranilic acid benzylester in a similar manner to Preparation Example 17, 75 mg (yield 26%: 4 steps) of the title compound was obtained. Property: colorless crystals, melting point: >200° C. (decomposition), PMR (δppm, DMSO-d6): 7.13-7.20 (2H, m), 7.56 (1H, s), 7.72 (1H, d), 7.82 (1H, s), 7.90 (1H, d), 11.68 (1H, s).

Provenance & Evidence