Co(Salen) Catalysed Oxidation of Synthetic Lignin-Like Polymer: Naoh Effects

• Authors: Xue-Fei Zhou
• Languages of publication: EN

Abstracts

EN

Abstract An attempt has been made to selectively oxidise synthetic lignin-like polymer for fine chemicals. The G- and S-type polymers (G- and S- type lignin model polymers) were synthesized using simple aromatic compounds as starting materials and then oxidised to benzaldehydes by reacting them with Co(salen) catalytic system. The reaction was characterized by measuring the change of the polymer with FTIR, C-13 NMR and GC-MS spectroscopy. The results obtained by the FTIR and C-13 NMR showed that the effects of NaOH were important and higher yield of benzaldehydes characterized by GC-MS in the presence of NaOH in the course of catalytic oxidation of the polymer demonstrated these effects. From the results, the catalyst could suitably be used in green procedures for lignin transformation.

Keywords

EN

Co(salen); catalyst; catalytic oxidation; lignin model polymer; NaOH effect; FTIR; C-13 NMR; GC-MS

• Publisher: De Gruyter Open
• Journal: Polish Journal of Chemical Technology
• Year: 2014
• Volume: 16
• Issue: 3
• Pages: 91-96

Dates

published

1 - 9 - 2014

online

3 - 10 - 2014

Contributors

author

Xue-Fei Zhou

• Kunming University of Science and Technology, P.O. Box A302-12, Building No. 5, Xinying Yuan, No. 50, Huancheng East Road, Kunming, 650051, China
• Southwest University of Science and Technology, Engineering Research Center for Biomass Resource Utilization and Modification of Sichuan Province, Mianyang, 621010, China
• Hubei Key Laboratory of Pollutant Analysis and Reuse Technique of Hubei Normal University, Huangshi, China

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Identifiers

DOI

10.2478/pjct-2014-0057