反应详情

Prepared from 4-bromo-2,6-dichlorobenzenesulfonyl chloride (500 mg, 1.54 mmol) and 4-amino-1,5-dimethyl-1H-pyrazole (172 mg, 1.55 mmol) in pyridine (3 ml) according to the method of intermediate 1, to give the title compound as a cream solid (392 mg, 0.99 mmol, 64%). δH (D-6 DMSO, 300K) 9.91 (1H, s), 7.97 (2H, s), 3.64 (3H, s), 2.04 (3H, s). m/z (ES+, 70V) 399.9 (MH+).