Process for the manufacture of benzyl methacrylate and its deriv

Details Process for the manufacture of benzyl methacrylate and its deriv Process for the manufacture of benzyl methacrylate and its deriv

1991-05-03

1992-12-08

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560 55, C07C 6952

Patent

active

051699800

ABSTRACT:
This process for the manufacture of benzyl methacrylate and of its halogenated or alkylated derviatives by the reaction of benzyl chloride or of one of its halogenated or alkylated derivatives with an alkali metal methacrylate is characterized in that the reaction is carried out in the presence of not more than 3 mol %, based on the benzyl chloride or a derivative, of a tertiary amine. The alkali metal is chosen especially from lithium, potassium and sodium. The tertiary amine is preferably a tertiary diamine of general formula: ##STR1## in which n is an integer ranging from 1 to 10 and R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which are identical or different, are alkyl, cycloalkyl or aryl radicals containing from 1 to 12 carbon atoms, functionalized if appropriate and, if appropriate, such that they form a heterocyclic ring with the nitrogen atom(s) carrying them.

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