Issue 42, 2020
From the journal:

Chemical Communications

The significance of phosphoniocarbynes in halocarbyne cross-coupling reactions†

Liam K. Burt, ORCID logo a   Richard L. Cordiner,a   Anthony F. Hill, ORCID logo *a   Richard A. Manzano ORCID logo a  and  Jörg Wagler ORCID logo b  

* Corresponding authors

a Research School of Chemistry, Australian National University, Canberra, Australian Capital Territory, Australia
E-mail: a.hill@anu.edu.au

b Institut für Anorganische Chemie, TU Bergakademie Freiberg, Leipziger Str. 29, 09599 Freiberg, Germany

Abstract

Competent intermediates in palladium(0)–copper(I) mediated catalytic cross coupling reactions of the bromocarbyne complex [W([triple bond, length as m-dash]CBr)(CO)2(Tp*)] (Tp* = hydrotris(dimethylpyrazolyl)borate) have been isolated however heterobimetallic phosphoniocarbyne complexes [WPd(μ-CPPh3)Br(CO)2(PPh3)x(Tp*)] are identified as productive (x = 1) or non-productive (x = 0) tangents to the catalytic cycle.

Graphical abstract: The significance of phosphoniocarbynes in halocarbyne cross-coupling reactions

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Article information

DOI
https://doi.org/10.1039/D0CC02070B
Article type
Communication
Submitted
20 Mar 2020
Accepted
08 Apr 2020
First published
17 Apr 2020

Chem. Commun., 2020,56, 5673-5676

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The significance of phosphoniocarbynes in halocarbyne cross-coupling reactions

L. K. Burt, R. L. Cordiner, A. F. Hill, R. A. Manzano and J. Wagler, Chem. Commun., 2020, 56, 5673 DOI: 10.1039/D0CC02070B

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