反应详情

The title compound was prepared in the some way as that described in Example 11, Step 1, using 3-nitrobenzenesulphonamide (10.1 g, 50 mml), benzoic acid (6.1 g, 50 mmol), 4-dimethylaminopyridine (6.1 g, 50 mmol), 1-[3-(dimethylamino)propyl]-3-ethyl carbodiimide hydrochloride (9.59 g, 50 mmol) and anhydrous dichloromethane (400ml). The title compound (13.1 g, 86%) was afforded as a colourless solid. mp 181°-183° C. 1H NMR (360 MHz, D6 -DMSO) δ 7.49 (2H, m), 7.61-7.66 (1H, m), 7.86-7.89 (2H, m), 7.96 (1H, dd, J=8.0 and 8.0 Hz), 8.43 (1H, m), 8.56 (1H, m), 8.71 (1H, m).

1. customThe title compound was prepared in the some way as