Patent ID: 6670508
Filing Date: 2003-12-30
Classification: C07C,C08F

Abstract:
A process for producing a compound of formula (I): alone or in combination with at least one monomer of formula (II): â€ƒin which R represents â€”CH3 or â€”CH2C6H5, comprising introducing a benzyl chloride quaternizing agent into a solution, in a solvent of the compound of formula (I), formula (II), or a mixture thereof, and of a compound of formula (III): â€ƒat a temperature 35-60Â° C., and then adding water and allowing the reaction to proceed to complete or substantially complete conversion of the compound (III), and isolating an aqueous solution of desired compound (I) optionally with at least one compound (II) if this or these have/has been used as solvent, and optionally removing the water.