Patent ID: 9670134
Date: 2017-06-06
CPC Classifications: C07B,C07C,Y02P

Claim:
1. A process for making a compound of formula I: wherein n is from 0 to 100; R is H or CH R R R transesterifying a nitroalcohol compound of formula II: wherein R R with a (meth)acrylate of formula III: wherein R is the same as in formula I; and R in the presence of a transesterification catalyst and a free radical inhibitor to form the compound of formula I, wherein the transesterification catalyst is a basic catalyst, a zirconium complex, a hafnium complex, or mixtures thereof, and wherein the transesterification is conducted at a temperature of from 70 to 125 ° C. and a pressure of 400 mm Hg to 760 mm Hg.