Issue 91, 2017

Synthesis of P2C2O2 and P2CO via NHC-mediated coupling of the phosphaethynolate anion

Abstract

The reaction of the chloroimidazolium chloride salt, [NHC-Cl][Cl], NHC = C{N(2,6-iPr2C6H3)CH}2 (1) with two equivalents of sodium phosphaethynolate, Na[OCP]·(dioxane)2.5, results in the formation of NHC-{cyclo-(CO)-P2-C(O)} (2) and NHC-P2-C(O)-NHC (3). Notably, in the presence of free NHC ligand, compound 2 converts to compound 3via extrusion of CO at elevated temperatures. The nature of the bonding in these complexes was probed computationally and spectroscopically.

Graphical abstract: Synthesis of P2C2O2 and P2CO via NHC-mediated coupling of the phosphaethynolate anion

Supplementary files

Article information

Article type
Communication
Submitted
02 Oct 2017
Accepted
27 Oct 2017
First published
27 Oct 2017
This article is Open Access
Creative Commons BY-NC license

Chem. Commun., 2017,53, 12325-12328

Synthesis of P2C2O2 and P2CO via NHC-mediated coupling of the phosphaethynolate anion

R. J. Gilliard, R. Suter, E. Schrader, Z. Benkő, A. L. Rheingold, H. Grützmacher and J. D. Protasiewicz, Chem. Commun., 2017, 53, 12325 DOI: 10.1039/C7CC07654A

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