A facile and practical method for the synthesis of ArC≡CCF3 is described which involves (1) conversion of aldehydes ArCHO into ArCH=CClCF3 with 1,1,1-trichloro-2,2,2-trifluoroethane, zinc powder, and acetic anhydride in one-pot and (2) dehydrochlorination with sodium t-butoxide or sodium amide/t-butyl alcohol.
本文介绍了一种简便实用的 ArC≡CCF3 合成方法,包括 (1) 用 1,1,1- 三
氯-2,2,2-
三氟乙烷、
锌粉和
醋酸酐将醛 ArCHO 单锅转化为 ArCH=CClCF3,以及 (2) 用
叔丁醇钠或酰胺
钠/
叔丁醇进行脱氢
氯化。