| abstract |
THE INVENTION CONCERNS A PROCESS FOR THE PREPARATION OF ACRYLIC OR METHACRYLIC ACID ESTERS AND ALCOHOLS BY TRANS-ESTERIFICATION OF ACRYLIC OR METHACRYLIC ACID ESTERS AND CAC ALCOHOLS WITH ALCOHOLS WHICH DIFFER FROM THESE EXCLUDING POLYALCOOLS, PROCESS ACCORDING TO WHICH THE TRANS-ESTERIFICATION REACTION IS PERFORMED IN THE PRESENCE OF A KS CATALYST SYSTEM FORM OF THE COMBINATION OF AB: A COMPOUNDS REPRESENTING THE LI Y COMPOUND, IN WHICH IS PUT THERE FOR A HALOGENIDE OR CHLORATE, FOR THE CARBONATE OR THE SALT OF A CARBOXYLIC ACID WITH 1-6 ATOMS OF CARBON, FOR AN ALCOXIDE WITH 1-4 ATOMS OF CARBON, A HYDROXIDE OR FOR OXYGEN AND N BEING SET FOR 1 OR 2; AND B REPRESENTING THE CAX COMPOUND, IN WHICH X IS PUT FOR AN OXYGEN OR A CHLORIDE AND Q IS PUT FOR 1 OR 2, WITH THIS CONDITION THAT AT LEAST ONE OF THE TWO ANIONIC CONSTITUENTS X AND Y CONTAINS L ' OXYGEN. |