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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6125012
Kind Code:
B2
Abstract:
A novel process is described for the preparation of compounds of formula wherein R2 and R3 are each chloro or bromo; X is carboxyl, nitrile, optionally substituted carbonamide, carbonyl halide or an ester group. Those compounds wherein X is an appropriate ester group -COOB where B is an aryl group such as m-phenoxybenzyl are known insecticides; compounds where X is other than -COOB may be suitably converted thereto. The novel process consists of a series of steps from the corresponding acetyl compound of formula which comprises halogenation, reduction, esterification and finally elimination reactions.

Inventors:
GURAHAMU ROI RII
Application Number:
JP10567476A
Publication Date:
June 13, 1986
Filing Date:
September 03, 1976
Export Citation:
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Assignee:
WELLCOME FOUND
International Classes:
C07C69/743; C07C51/00; C07C51/363; C07C51/367; C07C51/377; C07C61/16; C07C61/37; C07C61/40; C07C62/02; C07C62/18; C07C67/00; C07C69/757; C07C231/00; C07C231/12; C07C233/58; C07C253/00; C07C255/39; C07C255/45; C07C255/48; C07C301/00; C07C303/28; C07C309/63; C07C309/67; C07C309/73; C07C381/00; C07D209/49; C07D307/34