The influences of reactant ratio reaction temperature reaction time on substitution reaction were studied . The better reaction conditions were obtained : molar ratio of trityl chloride and cuprous cyanide was 1:1.3 reaction temperature was at 130 ℃ reaction time was 2.5h .

并通过对原料配比、反应温度和反应时间的研究，得到了较佳的合成工艺条件： 三 苯基 氯甲烷与氰化亚铜的最佳摩尔比为1：1.3，反应温度为130℃，反应时间为2.5小时。