主要用于医药领域,具体用途未在提供数据中详细说明,推测为药物研发中的中间体或活性成分。
医药
合成路线 1(1. 合成:6342-80-9)
产率:44%
合成条件:at 20℃; for 72 h;
实验步骤:将羧酸9(4.99g,23.7mmol)与Eaton试剂(47.5mL,3g / mmol羧酸9)混合并在室温下搅拌72小时。 然后将混合物倒在冰上,中和,并用EtOAc(3×75mL)萃取。 将有机层用硫酸钠干燥,浓缩并通过快速色谱法纯化,使用预先包装的100g硅胶柱[溶剂A:EtOAc; 溶剂B:己烷; 梯度:7%A / 93%B(1个CV),7%A / 93%B→60%A / 40%B(10个CV),60%A / 40%B(2个CV); 流速:40 mL / min; 在254nm和280nm下监测,得到酮11(2.01g,10.5mmol,44%),为黄色固体。 1H NMR(CDCl3,600MHz)δ7.06(1H,d,J = 8.4Hz),6.62(1H,d,J = 8.4Hz),3.61(3H,s),3.57(3H,s),2.70(2H) ,t,J = 5.4Hz),2.25(2H,t,J = 5.4Hz)。 13C NMR(CDCl3,150MHz)δ204.6,157.1,147.4,145.0,130.7,119.4,112.0,59.8,55.8,36.0,22.1。
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