4.6 Article

Atom-Economic Synthesis of 4-Pyrones from Diynones and Water

Journal

MOLECULES
Volume 22, Issue 1, Pages -

Publisher

MDPI
DOI: 10.3390/molecules22010109

Keywords

4-pyrones; diynones; water; transition-metal-free

Funding

  1. National Natural Science Foundation of China [21362002, 81260472]
  2. Guangxi Natural Science Foundation of China [2014GXNSFDA118007, 2016GXNSFEA380001]
  3. Project of Guangxi Department of Education [KY2014037]
  4. State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources [CMEMR2014-A02, CMEMR2012-A20]
  5. Fund of Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization [FPRU2015-2]
  6. Guangxi's Medicine Talented Persons Small Highland Foundation [1306]

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Transition-metal-free synthesis of 4-pyrones via TfOH-promoted nucleophilic addition/cyclization of diynones and water has been developed. This transformation is simple, atom economical and environmentally benign, providing rapid and efficient access to substituted 4-pyrones.

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