Method for preparing amino alkyl(meth)acrylates

Details Method for preparing amino alkyl(meth)acrylates Method for preparing amino alkyl(meth)acrylates

C - Chemistry, Metallurgy

07

C

C07C 213/06 (2006.01) C07C 219/08 (2006.01)

Patent

CA 2413411

The invention relates to a method for preparing amino alkyl(meth)acryrlates by means of transesterification from C1-C4 alkyl(meth)acrylates and amino alcohols. The transesterification is carried out in the presence of at least one distannoxane, which serves as a catalyst, of general formula (1), whereby: R represents a linear, cyclic or branched alkyl radical with 1 to 6 carbon atoms, and represents a phenyl radical, whereby the R's can be identical to or different from one another; Y represents halogen, preferably C1, Br, represents pseudohalogen, preferably SCN, and represents OH, OAc or OR, whereby the Y's can be identical to or different from one another. The invention also relates to the use of the amino alkyl(meth)acrylates, which are prepared according to said method, for preparing cationic monomers.

L'invention concerne un procédé de production d'aminoalkyl(meth)acrylates par transestérification à partir d'alkyle C¿1?-C¿4?-(meth)acrylates et d'aminoalcools, cette transestérification se faisant en présence d'au moins un distannoxane correspondant à la formule générale (1), servant de catalyseur. Dans ladite formule (1), R représente un reste alkyle linéaire, cyclique ou ramifié possédant 1 à 6 atomes de carbone, un reste phényle, les R pouvant être identiques ou différents, et Y représente halogène, de préférence Cl, Br?.¿, pseudohalogène, de préférence SCN, OH, OAc ou OR, les Y pouvant être identiques ou différents. L'invention concerne également l'utilisation des aminoalkyl(meth)acrylates produits selon ledit procédé pour la production de monomères cationiques.

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