Chem. J. Chinese Universities ›› 1982, Vol. 3 ›› Issue (S1): 78.

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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

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-.

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