Issue 16, 2004

Lanthanide alkylidene and imido complexes

Abstract

In stark contrast to the transition metals, examples of imido or alkylidene complexes of the lanthanides remain scarce. A recent literature survey reveals that only nine examples of lanthanide imido complexes have been reported, and the majority of these have arisen serendipitously. Concrete examples of species containing lanthanide–carbon multiple bonds are even more sparse. Recently, some rational approaches to the synthesis of lanthanide complexes containing Ln[double bond, length as m-dash]X functionalities have been detailed (X = C, N). Additionally, a DFT (Density Functional Theory) study of a samarium imido complex has provided insight into the electronic and steric factors that may be necessary to support these unusual reactive groups. This Perspective reviews the work in this field and offers some suggestions to expand this potentially useful class of compounds.

Graphical abstract: Lanthanide alkylidene and imido complexes

Article information

Article type
Perspective
Submitted
11 May 2004
Accepted
17 Jun 2004
First published
15 Jul 2004

Dalton Trans., 2004, 2387-2393

Lanthanide alkylidene and imido complexes

G. R. Giesbrecht and J. C. Gordon, Dalton Trans., 2004, 2387 DOI: 10.1039/B407173E

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