Process for purifying alpha, beta - unsaturated esters

Details Process for purifying alpha, beta - unsaturated esters Process for purifying alpha, beta - unsaturated esters

C - Chemistry, Metallurgy

07

C

C07C 69/52 (2006.01) C07C 67/58 (2006.01) C07C 67/60 (2006.01) C07C 69/75 (2006.01)

Patent

CA 2155391

This invention provides a method for reducing carbonyl-containing impurities in .alpha.,.beta.-unsatured carboxylic acid esters by treatment of the ester with one or more of a selected phenylenediamine and an acid.

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