4.7 Article

Promiscuous enzyme-catalyzed cascade reaction: Synthesis of xanthone derivatives

Journal

BIOORGANIC CHEMISTRY
Volume 80, Issue -, Pages 555-559

Publisher

ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bioorg.2018.06.034

Keywords

Lipase; Knoevenagel condensation; Aromatic aldehyde; Xanthone; Catalysis

Funding

  1. National Natural Science Foundation of China [21676143]
  2. key laboratory of Materials-Oriented Chemical Engineering [ZK201603]
  3. Jiangsu Synergetic Innovation Center for Advanced Bio-Manufacture
  4. Qing Lan Project of Jiangsu Province

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Based on the screening of biocatalysts and reaction conditions including organic solvent, water content, lipase loading, reaction temperature and time, lipase TLIM exhibited the prominent promiscuity for the Knoevenagel-Michael cascade reactions of 1, 3-diketones with aromatic aldehydes to synthesize xanthone derivatives. This procedure provides satisfactory advantages such as environmental begin, simple work-up, generality, obtaining in excellent yields (80-97%), and potential for recycling of biocatalyst.

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