Issue 93, 2019

Carbon nitride as a heterogeneous visible-light photocatalyst for the Minisci reaction and coupling to H2 production

Abstract

Cyanamide functionalised carbon nitride powder is reported as a photocatalyst for direct Minisci-type coupling of heteroarenes with ethers, alcohols, and amides using atmospheric oxygen as the oxidant at room temperature. This mild protocol displays broad substrate scope, good functional group tolerance and the catalyst can be easily isolated and reused for several cycles. It thereby addresses the two major limitations of previously reported photoredox-mediated Minisci reactions: (i) use of expensive and potentially harmful non-recyclable photocatalysts, and (ii) requirement of a stoichiometric amount of strong chemical oxidant. Finally, using platinum as a co-catalyst with the carbon nitride allows this light-mediated reaction to generate two value-added products under an anaerobic atmosphere – functionalised heteroarenes and H2 fuel.

Graphical abstract: Carbon nitride as a heterogeneous visible-light photocatalyst for the Minisci reaction and coupling to H2 production

Supplementary files

Article information

Article type
Communication
Submitted
18 sept. 2019
Accepted
28 oct. 2019
First published
28 oct. 2019

Chem. Commun., 2019,55, 14007-14010

Carbon nitride as a heterogeneous visible-light photocatalyst for the Minisci reaction and coupling to H2 production

A. Vijeta and E. Reisner, Chem. Commun., 2019, 55, 14007 DOI: 10.1039/C9CC07348E

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