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  • Kang, YingBeijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190 P. R. China. School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100190 P. R. China. Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190 P. R. China (author)

Weak Bonds Joint Effects Catalyze the Cleavage of Strong C−C Bond of Lignin‐Inspired Compounds and Lignin in Air by Ionic Liquids

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • 2020-09-30
  • John Wiley & Sons,2020
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:ltu-80937
  • https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-80937URI
  • https://doi.org/10.1002/cssc.202001828DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Validerad;2020;Nivå 2;2020-12-02 (alebob)
  • Oxidation of lignin to value‐added aromatics through selective C−C bond cleavage via metal‐free and mild strategies is promising but challenging. It was discovered that the cations of ionic liquids (ILs) could effectively catalyze this kind of strong bond cleavage by forming multiple weak hydrogen bonds, enabling the reaction conducted in air at temperature lower than 373 K without metal‐containing catalysts. The cation [CPMim]+ (1‐propylronitrile‐3‐methylimidazolium) afforded the highest efficiency in C−C bond cleavage, in which high yields (>90 %) of oxidative products were achieved. [CPMim]+ could form three ipsilateral hydrogen bonds with the oxygen atom of C=O and ether bonds at both sides of the C−C bond. The weak bonds joint effects could promote adjacent C−H bond cleave to form free radicals and thereby catalyze the fragmentation of the strong C−C. This work opens up an eco‐friendly and energy‐efficient route for direct valorization of lignin by enhancing IL properties via tuning the cation.

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  • Yang, YongqingBeijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190 P. R. China. School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100190 P. R. China (author)
  • Yao, XiaoqianBeijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190 P. R. China (author)
  • Liu, YanrongLuleå tekniska universitet,Energivetenskap(Swepub:ltu)yanliu (author)
  • Ji, XiaoyanLuleå tekniska universitet,Energivetenskap(Swepub:ltu)xiajix (author)
  • Xin, JiayuBeijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190 P. R. China. School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100190 P. R. China (author)
  • Xu, JunliBeijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190 P. R. China (author)
  • Dong, HuixianBeijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190 P. R. China (author)
  • Yan, DongxiaBeijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190 P. R. China (author)
  • He, HongyanBeijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190 P. R. China (author)
  • Lu, XingmeiBeijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190 P. R. China. School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100190 P. R. China. Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190 P. R. China (author)
  • Beijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190 P. R. China. School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100190 P. R. China. Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190 P. R. ChinaBeijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190 P. R. China. School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100190 P. R. China (creator_code:org_t)

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  • In:ChemSusChem: John Wiley & Sons13:22, s. 5945-59531864-56311864-564X

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