反应详情

the title compound (33 mg) was prepared from crude 2-(5-amino-3-methyl-1H-pyrazol-4-yl)-benzothiazole-6-sulfonyl chloride (75 mg, 0.23 mmol), 2-methoxyethylamine (39 mg, 0.43 mmol) and the polystyrene resin bound base N-3-(morpholino)propyl polystyrene sulfonamide (PS-NMM) (0.24 g, 0.45 mmol) in 4 mL of methanol. MS (m/z, ES+): 368.5 (M+1, 100%); 1H NMR (500 MHz, ppm, DMSO-d6): δ 11.8-12.1 (br s, 1H), 8.5 (s, 1H), 7.99 (br d, 1H), 7.83 (d, 1H), 7.73 (t, 1H), 5.9-6.7 (br s, 2H), 3.30 (t, 2H), 3.15 (s, 3H), 2.94 (dt, 2H), 2.41 (br s, 3H). Yield=46%.