Issue 5, 2009
From the journal:

Green Chemistry

Microwave assisted enzymatic esterification of lactic acid and ethanol in phosphonium type ionic liquids as co-solvents†

Brigitta Major,a   Ilona Kelemen-Horváth,a   Zsófia Csanádi,a   Katalin Bélafi-Bakóa  and  László Gubicza*a  

* Corresponding authors

a Research Institute of Chemical and Process Engineering, University of Pannonia, Egyetem u 10, Veszprém, Hungary
E-mail: gubicza@mukki.richem.hu
Fax: +36 88-624038
Tel: +36 88-624044

Abstract

Microwave heating was found to have a beneficial effect on the enzymatic esterification of lactic acid (LA) with ethanol in Cyphos 202 ionic liquid (IL) medium. Microwave irradiation caused hydrolysis of lactoyllactic acid (the linear dimer of LA) during the reaction, thus, as a result, more lactic acid was available as substrate and a higher ester yield was achieved in the esterification.

Graphical abstract: Microwave assisted enzymatic esterification of lactic acid and ethanol in phosphonium type ionic liquids as co-solvents

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Article information

DOI
https://doi.org/10.1039/B820575B
Article type
Communication
Submitted
19 Nov 2008
Accepted
19 Jan 2009
First published
26 Jan 2009

Green Chem., 2009,11, 614-616

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Microwave assisted enzymatic esterification of lactic acid and ethanol in phosphonium type ionic liquids as co-solvents

B. Major, I. Kelemen-Horváth, Z. Csanádi, K. Bélafi-Bakó and L. Gubicza, Green Chem., 2009, 11, 614 DOI: 10.1039/B820575B

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