application for the recycling of bisphenol A polycarbonates

The kinetics of the methanolysis of seven methyl aryl carbonates (3) and two methyl alkyl carbonates (4) promoted by (12(ane)N3:Zn:(OCH3))+ and (La2(OCH3)2)4+ catalysts (1 and 2, respectively) have been studied at 25.0 °C. Bronsted plots of the log k 2 obs values for methanolysis versus aryloxy and alkoxy leaving group (LG) s s pKa HOAr