Process for the production of n-substituted .alpha.,.beta.-...

Details Process for the production of n-substituted .alpha.,.beta.-... Process for the production of n-substituted .alpha.,.beta.-...

C - Chemistry, Metallurgy

07

C

260/554.1

C07C 233/01 (2006.01)

Patent

CA 1236485

ABSTRACT A process for the production of N-substituted .alpha.,.beta. unsaturated carboxylic acid amides is disclosed which proceeds via an .alpha.,.beta.-unsaturated carboxylic acid amide that is unsubstituted at the amido nitrogen, which forms a Michael adduct initially by reaction with a polyvalent alcohol having a boiling point of ? 150 C, which adduct is then reacted with a primary or secondary amine with elimination of ammonia to form the corresponding N-substituted carboxylic acid amide with a protected double bond, the polyvalent alcohol being subsequently eliminated from this product at high temperatures, with formation of the N-substituted .alpha.,.beta.-unsaturated carboxylic acid amide.

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