Oxidomolybdenum(VI) complexes with atrane-type [O 3N] ligands

[MoO 2Cl 2(dmso) 2] reacts with tripodal aminoalcohol-bis(phenol)s to form oxomolybdenum(VI) complexes [MoOCl(L)] as two separable isomers. The ligand has tetradentate coordination through three oxygen donors and one nitrogen donor. The sixth coordination site is occupied by a chloro ligand, which c...

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Bibliographic Details
Published in:Polyhedron 2009-12, Vol.28 (18), p.4051-4055
Main Authors: Laurén, Elina, Kivelä, Henri, Hänninen, Mikko, Lehtonen, Ari
Format: Article
Language:English
Subjects:
Alkoxide complexes
Molybdenum
Oxo complexes
Phenolate ligands
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Summary:[MoO 2Cl 2(dmso) 2] reacts with tripodal aminoalcohol-bis(phenol)s to form oxomolybdenum(VI) complexes [MoOCl(L)] as two separable isomers. The ligand has tetradentate coordination through three oxygen donors and one nitrogen donor. The sixth coordination site is occupied by a chloro ligand, which can be further substituted by a methyl group to obtain an air-stable organomolybdenum(VI) derivative. Dioxomolybdenum(VI) complex [MoO 2Cl 2(dmso) 2] reacts with a series of tetradentate O 3N-type aminoalcohol–bisphenol ligands to form oxomolybdenum(VI) complexes of type [MoOCl(L n )]. The reaction of H 3L 1 produces [MoOCl(L 1)] as two separable isomers, whereas the reaction of H 3L 2 or H 3L 3 yields a single product. The X-ray analyses of cis- and trans-[MoOCl(L 1)] reveal that the complexes are formed of monomeric molecules. The ligands have tetradentate coordination through three oxygen donors and one nitrogen donor, which is located trans to the terminal oxo group. The sixth coordination site is occupied by a chloro ligand.
ISSN:0277-5387
DOI:10.1016/j.poly.2009.09.033