Chemistry of the wittig reaction, IV Simple conversion of aldehydes to 1,1-dichloroalkane and 1,1-dichloro-1-alkene derivatives, useful intermediates for the synthesis of acetylenic compounds

Article abstract of DOI:10.1016/S0040-4039(00)92342-6

The formation of 1,1-dichloroalkanes and 1,1-dichloro-1-alkenes from aldehyde is described using triphenylphosphine - carbon tetrachloride reagent system. Different products can be formed by changing the reaction conditions.