Graphitic Carbon Nitride Polymer as a Recyclable Photoredox Catalyst for Decarboxylative Alkynylation of Carboxylic Acids

Jiaqi Guo, Yating Wang, Yuhang Li, Kailin Lu, Shihui Liu, Wei Wang, Yongqiang Zhang

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Visible-light-induced heterogeneous photocatalysis for decarboxylative alkynylation has been performed. The using of cheap, metal-free and recyclable graphitic carbon nitride (g-C3N4) as the photoredox catalyst in the process enables the facile transformation of a variety of carboxylic acids into structurally diverse alkyne-containing molecular architectures under mild and environmentally-benign conditions. Notably, the heterogeneous nature of the reaction system allows for the recovery and reuse of the catalyst in multiple runs without loss of reactivity. The photocatalytic reactions could also be performed in a continuous flow fashion and scaled up to gram-scale. Furthermore, the preparative power of this strategy is further highlighted by its application in the 1, 2-amido alkynylation of unactivated alkenes. (Figure presented.).

Original languageEnglish (US)
Pages (from-to)3898-3904
Number of pages7
JournalAdvanced Synthesis and Catalysis
Volume362
Issue number18
DOIs
StatePublished - Sep 21 2020

Keywords

  • decarboxylative alkynylation
  • graphitic carbon nitride
  • heterogeneous photoredox catalysis
  • sustainable synthesis

ASJC Scopus subject areas

  • Catalysis
  • Organic Chemistry

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