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Chem Commun (Camb). 2014 May 04;50(34):4472-4. doi: 10.1039/c4cc01575d. Epub 2014 Mar 24.

A structurally-characterized NbCl5-NHC adduct.

Chemical communications (Cambridge, England)

Marco Bortoluzzi, Eleonora Ferretti, Fabio Marchetti, Guido Pampaloni, Stefano Zacchini

Affiliations

  1. Ca' Foscari University of Venice, Dipartimento di Scienze Molecolari e Nanosistemi, Dorsoduro 2137, I-30123 Venezia, Italy.

PMID: 24658260 DOI: 10.1039/c4cc01575d

Abstract

The selective reactions of niobium pentachloride with two bulky NHC carbenes afforded NbCl5(NHC) complexes, bearing the highest oxidation state ever found for a metal centre in a transition metal halide-NHC adduct. The X-ray structure of 2a is the first one reported for a monodentate NHC-niobium species, and exhibits an abnormally long Nb-C bond.

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