Citation: Xin-Ping Ouyang, Yun Yang, Guo-Dian Zhu, Xue-Qing Qiu. Radical synthesis of tetrameric lignin model compound[J]. Chinese Chemical Letters, ;2015, 26(8): 980-982. doi: 10.1016/j.cclet.2015.05.011 shu

Radical synthesis of tetrameric lignin model compound

1.
School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China

Corresponding author: Xue-Qing Qiu,
Received Date: 12 March 2015
Available Online: 20 April 2015
Fund Project: This work is financially supported by the National Basic Research Program of China (No. 2012CB215302) (No. 2012CB215302)the Major Program of National Natural Science Foundation of China (No. 21376100). (No. 21376100)

The lack of suitable lignin model compound limits the understanding of the characteristics of lignin, and hence hinders the efficient utilization of this kind of bioresource. A tetramer phenolic lignin model compound composed of 5-5, α-O-4 and β-5 linkages was prepared by a two-step of free radical reaction with hydrogen peroxide/horseradish peroxidase and S₂O₈^2- /Fe²⁺ as the initiator. Compared with enzymatic process, this synthetic process gives a higher yield of 33.8% within a shorter time. HRMS and ¹³C NMR spectroscopy show that synthesized model compound contains phenylpropane structure linked by 5-5, α-O-4 and β-5 bonds, which can mimic some chemical characteristics of lignin.
- Lignin,
- Model compound,
- Tetramer,
- Radical synthesis
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沈阳化工大学材料科学与工程学院沈阳 110142