Titanium(III) chloride-bis(alkylphosphine) complexes

Schmulbach, C. D.; Kolich, C. H.; Hinckley, C.C.

doi:10.1021/ic50117a053

Cited by 16 publications

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“…TiCl 3 P 3 (P ϭ PCy 3 , PiPr 3 , PBu 3 ) which have been reported to form at low temperatures, but at higher temperatures phosphane dissociation occurs and TiCl 3 P 2 predominates. [5,6] The tridentate ligand trimpsi {trimpsi ϭ tert-butyltris[(dimethylphosphanyl)methyl]silane, tBuSi(CH 2 PMe 2 ) 3 } forms a complex with TiCl 3 but the crystal structure has not been reported. [8] All crystallographically characterised (phosphane)Ti III complexes contain cyclopentadienyl ligands except Ti(BH 4 ) 3 (PMe 3 ) 2 which shows MϪP distances of 2.571(3) and 2.539(3) Å ; [9] All known titaniumϪphosphane distances fall within the range 2.58Ϯ0.07 Å , regardless of oxidation state or coordination number.…”

Section: Introductionmentioning

confidence: 99%

Early Transition Metal Complexes of Triphosphorus Macrocycles

Baker

Davies

Edwards

et al. 2002

Eur. J. Inorg. Chem.

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The reactions of 1,5,9-triethyl-1,5,9-triphosphacyclododecane, [12]aneP 3 Et 3 , with first-row transition metal halides MCl 3 [M = Ti (1), V (2), and Cr (3)] or their THF adducts are reported. The oxidation of 2 gives the complex ([12]aneP 3 Et 3 )-V(O)Cl 2 (4). This is the first example of a phosphane ligand that is trans to a vanadyl moiety. Also reported are V III (5) and Cr III (6) complexes of the pendant ether macrocycles [12]aneP 3 (C 2 H 4 OEt) 3 and 12[ane]P 3 (C 3 H 6 OMe) 3 respectively. The complexes 1−6 have been characterised crystallographically and represent a rare class of phosphane com-

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Section: Introductionmentioning

confidence: 99%

Early Transition Metal Complexes of Triphosphorus Macrocycles

Baker

Davies

Edwards

et al. 2002

Eur. J. Inorg. Chem.

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Titanium: Inorganic & Coordination ChemistryBased in part on the article Titanium: Inorganic & Coordination Chemistry by Charles A. McAuliffe & Neil Bricklebank which appeared in the Encyclopedia of Inorganic Chemistry, First Edition .

Valentine

2005

Encyclopedia of Inorganic Chemistry

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This article describes the chemistry of titanium, with special focus on its inorganic coordination chemistry. This field has a rich history and has flourished in the years since the first industrial processes for isolation of titanium were introduced. Covered are the discovery of the metal, some of the physical properties of titanium and its complexes, and the unique coordination chemistry of titanium in its various oxidation states. The metal is commonly found in the +4 oxidation state, in which it behaves as a hard Lewis acid. Titanium complexes with formal oxidation states +3, and, much less commonly, +2, 0, and −1 are also known. The oxides, sulfides, halides, and complex halides are discussed. Complexes with carbon, nitrogen, oxygen, silicon, phosphorus, sulfur, and arsenic donor ligands are described. Structures and spectroscopic data are given for selected compounds. Interest in the coordination chemistry of titanium has been driven by important applications in materials chemistry and in catalysis.

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