Manufacture of gamma halogen substituted adducts

Details Manufacture of gamma halogen substituted adducts Manufacture of gamma halogen substituted adducts

1978-11-08

1982-05-04

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

260465C, 260465D, 2604653, 560192, 560204, 568316, 568317, 568393, 568433, 568458, C07C 6700, C07C 4569

Patent

active

043283632

ABSTRACT:
Halogen-substituted olefin addition compounds that contain a carbonyl group are formed by oxidatively adducting an olefin and a carbonyl compound such as a ketone, aldehyde, or ester. The method consists of reacting the olefin and the carbonyl component, in solution, with an oxidizing ion of manganese, cerium or vanadium in the presence of fluoride, chloride or bromide ion. This ionic component is incorporated in the adduct and appears on the olefin-derived carbon atom gamma to the carbonyl group. The gamma halogen substituted adducts are readily converted to cyclopropane derivatives, including pyrethroid intermediate compounds.

REFERENCES:
patent: 3123629 (1964-03-01), Julia
patent: 3354196 (1967-11-01), Julia
patent: 4011239 (1977-03-01), Heiba et al.
Elliott, Bulletin of World Health Organization, 44, No. 1-3, pp. 315-323, (1970).
March, Advanced Organic Chemistry, pp. 287-290, (1965).

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