HCID 22347456, compound → HCID 9821064, compound

Participants

Reaction Steps

From 620 mg (1.53 mmol) of 3-benzyloxycarbonylamino-4-t-butoxycarbonylbenzenesulfonamide and 550 mg (1.51 mmol) of 4-hydroxy-2-N-phenoxycarbonylanthranilic acid benzylester in a similar manner to Preparation Example 17, 25 mg (yield 4%: 4 steps) of the title compound was obtained. Property: colorless crystals, melting point: >200° C. (decomposition), PMR (δppm, DMSO-d6): 6.48 (1H, s), 6.61 (1H, d), 7.14 (1H, d), 7.51 (1H, s), 7.70 (1H, d), 7.90 (1H, d), 10.80 (1H, s), 11.39 (1H, s).

Provenance & Evidence