Rare Earth metal complexes supported by ancillary imidazolin-2-iminato ligands

Trambitas, A g and Panda, Tarun K and Tamm, M (2010) Rare Earth metal complexes supported by ancillary imidazolin-2-iminato ligands. Journal of Inorganic and General Chemistry, 636 (12). pp. 2156-2171. ISSN 0044-2313

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Abstract

The coordination chemistry of imidazolin-2-iminato ligands towards rare earth metal atoms is reviewed. The structural characterization of a large number of mono-, bis- and tris(imidazolin-2-iminato) complexes - in most cases scandium, yttrium, gadolinium, and lutetium complexes - reveals almost exclusively the formation of mononuclear complexes with very short metal-nitrogen bonds, which confirms the ability of imidazolin-2-iminato ligands to efficiently act as imidotype 2θ,4φ-electron donors. In particular, mono(imidazolin-2-iminato) metal dichlorides proved to be excellent starting materials for the introduction of alkyl, amido, cyclopentadienyl, cyclooctatetraenyl, and car-boranyl ligands and also for the preparation of efficient pre-catalysts for ring-opening, hydroamination and hydrosilylation reactions, which allow to establish imidazolin-2-iminato ligands as novel valuable members of the growing family of ancillary ligands in organo rare earth metal and organolanthanide chemistry. In addition, the coordination chemistry of several imidazolin-2-imine-hybrid ligands such as cyclopentadienyl-imine and pincer-type diimine ligands is described, and the structural characterization of the resulting complexes indicates that also neutral imidazolin-2-imines act as strong amido-type donor ligands towards rare earth metal ions. © 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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IITH Creators:
IITH CreatorsORCiD
Panda, Tarun Khttp://orcid.org/0000-0003-0975-0118
Item Type: Article
Uncontrolled Keywords: Homogeneous catalysis; Imidazolin-2-iminato ligands; Lutetium; Non-cyclopentadienyl ligands; Scandium; Yttrium
Subjects: Chemistry > Organic chemistry
Divisions: Department of Chemistry
Depositing User: Mr. Siva Shankar K
Date Deposited: 13 Oct 2014 04:10
Last Modified: 07 Sep 2017 11:32
URI: http://raiith.iith.ac.in/id/eprint/207
Publisher URL: https://doi.org/10.1002/zaac.201000224
OA policy: http://www.sherpa.ac.uk/romeo/issn/0044-2313/
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