化学合成。
化学合成
合成路线 1（1. 合成：67061-69-2）
产率：97%
合成条件：With N-Bromosuccinimide In N,N-dimethyl-formamide at 0 - 20℃;
实验步骤：化合物2N-溴代琥珀酰亚胺（5.87g，33mmol）的合成在0℃下逐渐加入到化合物1（Aldrich，2.94g，15mmol）在脱水DMF（60mL）中的溶液中。将混合物加热 室温下搅拌过夜，然后倒入水中，取出形成的沉淀。 将其用甲醇洗涤并在氯仿/甲醇中重结晶，得到化合物2的灰白色晶体（产率：5.14g，97％）.1 H NMR（500MHz，CDCl 3）：δ7.28（s，2H）。
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