259537-23-0 → HCID 22347483, compound

Participants

Reaction Steps

618 mg (2.26 mmol) of 4-t-butoxycarbonyl-3-hydroxybenzenesulfonamide and 613 mg (2.26 mmol) of methyl 2-N-phenoxycarbonylanthranilate were treated in the same way as in Preparation Example 17 to obtain 792 mg (yield 78%) of methyl 2-{[(4-t-butoxycarbonyl-3-hydroxybenzene-sulfonylamino)carbonyl]amino}benzoate. Properties: colorless amorphous, PMR (δ ppm, CDCl3): 1.60 (9H, s), 3.97 (3H, s), 7.09 (1H, t), 7.49-7.52 (2H, m), 7.65 (1H, d), 7.90 (1H, d), 8.01 (1H, dd), 8.33 (1H, d), 10.98 (1H, s), 11.18 (1H, s).

Provenance & Evidence