Process of manufacturing dichloroacetyl chloride

Details Process of manufacturing dichloroacetyl chloride Process of manufacturing dichloroacetyl chloride

1975-03-05

1977-02-08

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07G 5158

Patent

active

040072240

ABSTRACT:
An improved process for the production of dichloroacetyl chloride by liquid phase photooxidation of trichloroethylene with oxygen or air in the presence of a catalytic amount of free chlorine or bromine to yield a mixture of dichloroacetyl chloride and trichloroethylene oxide is disclosed herein. The improvement in the process being conducting the reaction in the presence of a catalytic amount of primary or secondary amides, preferably dimethylformamide, which causes the trichloroethylene oxide to rearrange exothermically to dichloroacetyl chloride.

REFERENCES:
patent: 1976265 (1934-10-01), Mugdom et al.
patent: 2292129 (1942-08-01), Kirkbride
patent: 3509210 (1970-04-01), Gaertner et al.
patent: 3630867 (1971-12-01), Petz

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