化学合成。
化学合成
合成路线 1(1. 合成:42058-59-3)
产率:100%
合成条件:for 18 h; Heating / reflux
实验步骤:将(3-羟基 - 苯基) - 乙酸(5.0g,32.86mmol)在甲醇(100mL)中搅拌并加入浓缩的(98%)硫酸(3.0mL)。 将混合物加热至回流18小时。 将反应冷却并浓缩。 将残余物用水(100mL)稀释,并用乙酸乙酯(3×50mL)萃取。 合并的萃取液用无水硫酸镁干燥,过滤并浓缩,得到标题化合物,为橙色油状物,5.46g,100%。 MS M ++ 1 167.该结构通过1H NMR光谱确认。
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