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Highly dispersed Ni2P nanoparticles on N,P-codoped carbon for efficient cross-dehydrogenative coupling to access alkynyl thioethers

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Abstract

An ultrafine Ni2P (a metal-rich interstitial phosphide compound) nanoparticles with a narrow size distribution homogeneously dispersed on N,P-codoped carbon was developed for efficient synthesis of alkynyl thioethers via base- and ligand-free cross-dehydrogenative coupling (CDC) of terminal alkynes and thiols using atmospheric air as the oxidant under mild conditions. A remarkable catalytic performance with good functional group compatibility, broad substrate scope and high stability is accomplished. Pyridinic N atoms are identified as basic sites for facilitating the activation of terminal alkynes via hydrogen bonding interactions and play a key role in the success of this base- and ligand-free CDC reaction.

Graphical abstract: Highly dispersed Ni2P nanoparticles on N,P-codoped carbon for efficient cross-dehydrogenative coupling to access alkynyl thioethers

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Article information


Submitted
03 Dec 2019
Accepted
03 Jan 2020
First published
03 Jan 2020

Green Chem., 2020, Advance Article
Article type
Communication

Highly dispersed Ni2P nanoparticles on N,P-codoped carbon for efficient cross-dehydrogenative coupling to access alkynyl thioethers

T. Song, P. Ren, J. Xiao, Y. Yuan and Y. Yang, Green Chem., 2020, Advance Article , DOI: 10.1039/C9GC04137K

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