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Issue 92, 2019
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A K-arylacetylide complex for catalytic terminal alkyne functionalization using KOtBu as a precatalyst

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Abstract

Herein we report a transition metal free catalytic terminal alkyne functionalization across the C–X triple bond (X = CH and N) with E-selective homo (alkyne–alkyne) and head-to-tail selective hetero (alkyne–nitrile) dimerization. A series of stoichiometric reactions enabled us to crystallize a reactive organometallic intermediate K-arylacetylide complex which was characterized by X-ray crystallography, indicating that an ionic mechanism is operative.

Graphical abstract: A K-arylacetylide complex for catalytic terminal alkyne functionalization using KOtBu as a precatalyst

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Article information


Submitted
05 Oct 2019
Accepted
21 Oct 2019
First published
22 Oct 2019

Chem. Commun., 2019,55, 13860-13863
Article type
Communication

A K-arylacetylide complex for catalytic terminal alkyne functionalization using KOtBu as a precatalyst

J. Ahmed, A. K. Swain, A. Das, R. Govindarajan, M. Bhunia and S. K. Mandal, Chem. Commun., 2019, 55, 13860
DOI: 10.1039/C9CC07833A

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