Issue 9, 2019

A convenient method for the generation of {Rh(PNP)}+ and {Rh(PONOP)}+ fragments: reversible formation of vinylidene derivatives

Abstract

The substitution reactions of [Rh(COD)2][BArF4] with PNP and PONOP pincer ligands 2,6-bis(di-tert-butylphosphinomethyl)pyridine and 2,6-bis(di-tert-butylphosphinito)pyridine in the weakly coordinating solvent 1,2-F2C6H4 are shown to be an operationally simple method for the generation of reactive formally 14 VE rhodium(I) adducts in solution. Application of this methodology enables synthesis of known adducts of CO, N2, H2, previously unknown water complexes, and novel vinylidene derivatives [Rh(pincer)(CCHR)][BArF4] (R = tBu, 3,5-tBu2C6H3), through reversible reactions with terminal alkynes.

Graphical abstract: A convenient method for the generation of {Rh(PNP)}+ and {Rh(PONOP)}+ fragments: reversible formation of vinylidene derivatives

Supplementary files

Article information

Article type
Communication
Submitted
21 Dec 2018
Accepted
28 Jan 2019
First published
07 Feb 2019
This article is Open Access
Creative Commons BY-NC license

Dalton Trans., 2019,48, 2877-2880

A convenient method for the generation of {Rh(PNP)}+ and {Rh(PONOP)}+ fragments: reversible formation of vinylidene derivatives

M. R. Gyton, T. M. Hood and A. B. Chaplin, Dalton Trans., 2019, 48, 2877 DOI: 10.1039/C8DT05049J

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