4-(3,5-Dibromo-4-hydroxyphenyl)-4-oxobutanoic acid 、
3-羟基苄肼二盐酸盐 以
乙醇 为溶剂,
反应 16.0h,
以This gave the title compound as a red solid (95 mg, 49%)1H NMR δ (ppm) (DMSO-d6): 2.59 (2 H, t), 3.01 (2 H, t, J=8.2 Hz), 4.88 (2H, s), 6.67 (1 H, d, J=8.2 Hz), 6.69-6.76 (2 H, m), 7.14 (1 H, t, J=7.8 Hz), 7.92 (2 H, s), 9.39 (1 H, s), 10.44 (1 H, s)的产率得到6-(3,5-dibromo-4-hydroxyphenyl)-2-(3-hydroxybenzyl)-4,5-dihydropyridazin-3(2H)-one