Process for preparing 2-dihalovinyl-3,3-dimethyl cyclo propane d

Details Process for preparing 2-dihalovinyl-3,3-dimethyl cyclo propane d Process for preparing 2-dihalovinyl-3,3-dimethyl cyclo propane d

1975-08-04

1976-12-28

Brust, Joseph Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260464, 260586R, 260648R, C07C12000

Patent

active

040001806

ABSTRACT:
A process for the preparation of a compound of formula: ##STR1## wherein X is chlorine or bromine, and Q is selected from the group consisting of cyano, acetyl and alkoxycarbonyl which comprises the step of heating a compound of formula: ##STR2## wherein R is a lower alkyl group, for a period of from one to 30 hours, at a temperature in the range 130.degree. to 200.degree. C in a polar aprotic solvent in the presence of at least two molar equivalents of water.

REFERENCES:
patent: 3077496 (1963-02-01), Julia
patent: 3354196 (1967-11-01), Julia
patent: 3761505 (1973-09-01), Julia
patent: 3786052 (1974-01-01), Martel et al.

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