Syntheses and structures of the first terminal phosphanylphosphido complex of hafnium [cp2hf(cl){η1-(me3si)p-p(net2)2}] and the firstzirconocene-phosphanylphosphinidene dimer [cp2zr{μ2-p-p(net2)2}2zrcp2] - Publication - Bridge of Knowledge

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Syntheses and structures of the first terminal phosphanylphosphido complex of hafnium [cp2hf(cl){η1-(me3si)p-p(net2)2}] and the firstzirconocene-phosphanylphosphinidene dimer [cp2zr{μ2-p-p(net2)2}2zrcp2]

Abstract

Reactions of (Et2N)2P-P(SiMe3)Li with [Cp2MCl2] (M= Zr, Hf) in toluene or pentane yield the related terminal phosphanylphosphido complexes [Cp2M(Cl){η1-(Me3Si)P-P(NEt2)2}]. The solid statestructure of [Cp2Hf(Cl){η1-(Me3Si)P-P(NEt2)2}] was established by single crystal X-ray diffraction. The reaction of (Et2N)2P-P(SiMe3)Li with [Cp2ZrCl2] in THF or DME solutions leads to the formationof deep red crystals of the first neutral diamagnetic zirconocene-phosphanylphosphinidene dimer [Cp2Zr{m2-P-P(NEt2)2}2ZrCp2]. The molecular structure of this compound was confirmed by X-raydiffraction. The reactions of (R2N)2P-P(SiMe3)Li with [CpZrCl3] yield the related tetraphosphetanes R2NP(μ2-PSiMe3)2PNR2, which apparently are formed as a result of a transfer of NR2 groups from a Patom to the Zr atom.

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Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
DALTON TRANSACTIONS no. 40, pages 2017 - 2024,
ISSN: 1477-9226
Language:
English
Publication year:
2011
Bibliographic description:
Grubba R., Wiśniewska A., Kazimierczuk K., Matern E., Pikies J.: Syntheses and structures of the first terminal phosphanylphosphido complex of hafnium [cp2hf(cl){η1-(me3si)p-p(net2)2}] and the firstzirconocene-phosphanylphosphinidene dimer [cp2zr{μ2-p-p(net2)2}2zrcp2]// DALTON TRANSACTIONS. -Vol. 40, nr. iss. 9 (2011), s.2017-2024
DOI:
Digital Object Identifier (open in new tab) 10.1039/c0dt01040e
Verified by:
Gdańsk University of Technology

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