259537-23-0 → HCID 22347483, compound

Participants

Reaction Steps

From 618 mg (2.26 mmol) of 4-t-butoxycarbonyl-3-hydroxybenzenesulfonamide and 613 mg (2.26 mmol) of 2-N-phenoxycarbonylanthranilic acid methylester in a similar manner to Preparation Example 17, 792 mg (yield 78%) of methyl 2-{[(4-t-butoxycarbonyl-3-hydroxybenzenesulfonylamino)carbonyl]amino}benzoate (property: colorless amorphous, PMR (δppm, 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)) was obtained.

Provenance & Evidence