高等学校化学学报 ›› 1982, Vol. 3 ›› Issue (S1): 78.

• 研究论文 • 上一篇    下一篇

二氯甲基膦酸二乙酯与醛、酮的反应——1,1-二氯代烯烃的制备

许临晓, 黄邦洲, 吴世晖, 吴钧和   

  1. 复旦大学化学系
  • 收稿日期:1981-12-18 出版日期:1982-12-31 发布日期:1982-12-31

THE PREPARATION OF 1,1-DICHLORO OLEFINS BY THE REACTION OF DIETHYL DICHLOROMETHYL-PHOSPHONATE WITH ALDEHYDES AND KETONES

Xu Linxiao, Huang Bangzhou, Wu Shihui, Wu Junhe   

  1. Department of Chemistry, Futan University, Shanghai
  • Received:1981-12-18 Online:1982-12-31 Published:1982-12-31

摘要:

本文报导了以二氯甲基膦酸二乙酯作试剂,在正丁基锂作用下与醛、酮化合物反应制备1,1-二氯代烯烃的合成方法。该试剂在相近条件下与醛、酮反应无显著差别,均得到了较满意的结果。二氯甲基膦酸二乙酯由络合物[Cl2CHPCl3]+AlCl4-与无水乙醇反应制得。

Abstract:

1, 1-Dichloro olefins have been prepared by the reaction of diethyl dichloromethylphosphonate with aldehydes and ketones in the presence of n-butyl lithium.  Most of 1, 1-dichloro olefins were obtained in good t yields (see the table). The reagent, diethyl dichloromethylphosphonate, was obtained from the ethanolysis of the complex (Cl2CHPCl3) + AlCl4-.

TrendMD: