实验选用氨基钠、三苯甲醇钠和叔丁醇钠作催化剂,以代替高危险性的催化剂氢化钠来合成2-氰基-2-对硝基苯基乙酸乙酯。
In the experiment , sodium amide , sodium triphenyl methane , and sodium tert-butoxide are selected as catalyst for synthesis of instead 2-cyano-2 - ( p-nitro phenyl ) ethyl acetate to displace the high dangerous catalyst sodium hydride .