描述:
3-Benzyloxycarbonylamino-4-methylbenzenesulfonamide 、 benzyl 4-chloro-2-N-phenoxycarbonylanthranilate 以1.14 g (yield 62%) of 2-{[(3-benzyloxycarbonylamino-4-methylbenzenesulfonylamino)carbonyl]amino}-4-chlorobenzoic acid benzylester (property: colorless amorphous, PMR (δppm, DMSO-d6): 2.30 (3H, s), 5.17 (2H, s), 5.36 (2H, s), 7.20 (1H, dd), 7.33-7.48 (11H, m), 7.63 (1H, d), 7.97 (1H, d), 8.11 (1H, s), 8.25 (1H, s), 9.27 (1H, s), 10.30 (1H, s), 12.20 (1H, br)) was obtained的产率得到benzyl 2-{[(3-benzyloxycarbonylamino-4-methylbenzenesulfonylamino)carbonyl]amino}-4-chlorobenzoate