化学合成。
化学合成
合成路线 1（1. 合成：66491-03-0）
产率：86%
合成条件：With hydrogen In methanol for 1 h;
实验步骤：将4C（700mg，3.6mmol）在含有10％Pd / C（催化量）的MeOH（25mL）中在H 2（60psi）下搅拌1小时。 将反应物通过硅藻土过滤并真空浓缩，得到4D（500mg，86％收率）。 1H NMR（400MHz，CD3OD）δppm2.81（t，J = 6.59Hz，2H）3.42（t，J = 6.55Hz，2H）6.84（dd，J = 8.13,2.42Hz，26H）7.02（ d，。/ = 7.91 Hz，1 H）7.26（d，J = 2.64 Hz，1 H）。
参考文献：
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