Process for the production of lower alkyl 2-chloro-2-hydroxyimin

Details Process for the production of lower alkyl 2-chloro-2-hydroxyimin Process for the production of lower alkyl 2-chloro-2-hydroxyimin

1978-04-11

1980-02-26

Helfin, Bernard

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

Organic compounds

Carboxylic acid esters

548246, 548248, C07C13100

Patent

active

041907280

ABSTRACT:
Lower alkyl 2-chloro-2-hydroxyiminoacetates are produced by (A) reacting chloral with a lower alkanol and a hydroxylamine salt in the presence of a Lewis acid or a metal oxide which is convertible into said Lewis acid during the course of the reaction to give a lower alkyl 2-hydroxyiminoacetate and then chlorinating the resulting product or (B) reacting chloral oxime with a lower alkanol in the presence of a base to give a lower alkyl 2-hydroxyiminoacetate and finally chlorinating the thus formed product.

REFERENCES:
patent: 3211742 (1965-10-01), Lenaers
patent: 3218331 (1965-11-01), Eloy
patent: 3504017 (1970-03-01), Breslow
patent: 3584032 (1971-06-01), Fuchs
patent: 3686280 (1972-08-01), Rave
patent: 3742036 (1973-06-01), Perronnet

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