
Glycerol carbonate is a key multifunctional compound employed as solvent, additive, monomer, and chemical intermediate. Enzymatic synthesis of glycerol carbonate from renewable starting materials (glycerol and dimethyl carbonate) was successfully achieved by immobilized lipase from Candida antarctica (CALB, Novozym 435). Addition of molecular sieves as scavenger for the removal of methanol, which was generated from dimethyl carbonate during the reaction, accelerated a reaction rate. After the optimization, the equimolar use of glycerol and dimethyl carbonate in the Novozym 435-catalyzed reaction yielded a glycerol carbonate with almost quantitative yield. The resulting glycerol carbonate from 60 °C reaction has shown the low enantiomeric excess (13% ee) as configuration of (R)-enantiomer.
Glycerol, Candida antarctica, Lipase, Glycerol carbonate
Glycerol, Candida antarctica, Lipase, Glycerol carbonate
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