Preparation of 4-fluoro-3-phenoxy-benzal-dehyde acetals and inte

Details Preparation of 4-fluoro-3-phenoxy-benzal-dehyde acetals and inte Preparation of 4-fluoro-3-phenoxy-benzal-dehyde acetals and inte

1981-09-18

1986-12-02

Hines, Robert V.

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

Organic compounds

Oxygen containing

549369, 549374, 549453, 549455, 568442, 260544F, 260544D, C07C 4752

Patent

active

046266011

ABSTRACT:
The new compound ##STR1## is prepared and converted to the new acetal ##STR2## which is reacted with an alkali phenolate or alkaline earth metal phenolate in the presence of copper or a copper compound as a catalyst and in the presence of a diluent at a temperature between about 100.degree. and 200.degree. C. to produce the new acetal ##STR3## which can be hydrolyzed to the corresponding aldehyde which is a known intermediate for pyrethroid-like insecticides.

REFERENCES:
patent: 3904654 (1975-09-01), Birum
patent: 3965127 (1976-06-01), Birum

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