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Issue 78, 2017
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Glaser–Hay hetero-coupling in a bimetallic regime: a Ni(ii)/Ag(i) assisted base, ligand and additive free route to selective unsymmetrical 1,3-diynes

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Abstract

A Ni(OAc)2/Ag(OTf) catalysed coupling of aryl alkynes and propargylic alcohol/ether/ester gave the corresponding unsymmetrical 1,3-diynes in good to excellent yields. The reaction does not require bases, ligands or additives and shows excellent hetero-selectivity, thereby addressing the current challenges in the field of coupling of two different terminal alkynes.

Graphical abstract: Glaser–Hay hetero-coupling in a bimetallic regime: a Ni(ii)/Ag(i) assisted base, ligand and additive free route to selective unsymmetrical 1,3-diynes

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Article information


Submitted
20 Jul 2017
Accepted
07 Sep 2017
First published
18 Sep 2017

Chem. Commun., 2017,53, 10796-10799
Article type
Communication

Glaser–Hay hetero-coupling in a bimetallic regime: a Ni(II)/Ag(I) assisted base, ligand and additive free route to selective unsymmetrical 1,3-diynes

A. Mohanty and S. Roy, Chem. Commun., 2017, 53, 10796
DOI: 10.1039/C7CC05605B

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