Alkyl 3-cyano-3-(phenoxyphenyl)-2-ketopropionates and their...

Details Alkyl 3-cyano-3-(phenoxyphenyl)-2-ketopropionates and their... Alkyl 3-cyano-3-(phenoxyphenyl)-2-ketopropionates and their...

C - Chemistry, Metallurgy

07

C

260/476.5

C07C 69/36 (2006.01)

Patent

CA 1084522

ABSTRACT OF THE DISCLOSURE The invention is oxalic acid derivatives of formula I: Image I wherein R represents an alkyl group containing from 1 to 10 carbon atoms. These compounds are useful as intermediates in the preparation of insecticid- ally active compounds. They can be prepared by reacting a benzyl cyanide derivative of general formula II Image II with an ester of oxalic acid of general formula III Image III wherein R is as defined above and R1 is hydrogen or an alkyl group containing from 1 to 10 carbon atoms.

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