Radical synthesis of tetrameric lignin model compound

Xin-Ping Ouyang Yun Yang Guo-Dian Zhu Xue-Qing Qiu

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

    通讯作者: Xue-Qing Qiu,
  • 基金项目:

    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)

摘要: 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 S2O82- /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.

English

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  • 发布日期:  2015-05-14
  • 收稿日期:  2015-03-12
  • 网络出版日期:  2015-04-20
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