Esters of carboxylic acids formally substituted by sodium or...

Details Esters of carboxylic acids formally substituted by sodium or... Esters of carboxylic acids formally substituted by sodium or...

C - Chemistry, Metallurgy

07

F

260/438

C07F 1/00 (2006.01)

Patent

CA 1060036

ABSTRACT OF THE DISCLOSURE: Method for preparing esters of carboxylic acids formally substituted with sodium or potassium atoms in alpha-position of the general formula 1 R1R2CMCOOR3 where R1 is an hydrogen atom or an alkyl radical having from 1 to 16 carbon atoms in straight or branched chain, a phenyl or tolyl radical, R2 is an alkyl radical having from 1 to 6 carbon atoms in straight or branched chain, R3 is an alkyl radical having from 1 to 12 carbon atoms in straight or branched chain, M is a sodium or potassium atom, by reacting esters of carboxylic acias with sodium or potassium salt of hexamethyl disilazane, or by treating esters of analagous alpha-lithio carboxylic acids with sodium or potassium alkoxide, and new esters obtained thereof. The so obtained esters can be used as reactive intermediates in numerous synthesis or polymerization reactions.

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