Removal of carbonyl impurities from a,b-unsaturated...

Details Removal of carbonyl impurities from a,b-unsaturated... Removal of carbonyl impurities from a,b-unsaturated...

C - Chemistry, Metallurgy

07

C

C07C 69/54 (2006.01) C07C 67/58 (2006.01) C07C 67/60 (2006.01)

Patent

CA 2151435

This invention is a method for removing certain carbonyl containing impurities from .alpha.,.beta.-unsaturated carboxylic acid ester with an aqueous solution of a bisulfite or dithionite salt.

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