A novel synthesis of organoimido complex by transamination action. X-ray cyystal structure of a bis-(isopropylimido) complex of tungsten(VI), [W(μNPri)(NPri)(NHPri)2]2

Hsin-Tien Chiu; Shiow Huey Chuang; Gene Hsiang Lee; Shie Ming Peng

doi:10.1016/S0277-5387(00)88159-0

A novel synthesis of organoimido complex by transamination action. X-ray cyystal structure of a bis-(isopropylimido) complex of tungsten(VI), [W(μNPrⁱ)(NPrⁱ)(NHPrⁱ)₂]₂

Hsin-Tien Chiu^*, Shiow Huey Chuang, Gene Hsiang Lee, Shie Ming Peng

^*Corresponding author for this work

National Chiao Tung University

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

The bis(isopropylimido) complex [W(μ-NPrⁱ)(NPrⁱ)(NHPrⁱ)₂]₂ was synthesized by reacting W₂(NBu^t)₂(NHBu^t)₂ with excess PrⁱNH₂. The complex, characterized by X-ray crystallography, is a dimer of distorted trigonal bipyramids sharing an edge defined by the unsymmetrical bridging imido ligands. Exchange between the bridging and the terminal imido ligands were observed on the NMR timescale, ΔG^‡ = 14.5 ± 1.0 kcal mol^-1. An equilibration process is proposed to account for the fluxional behaviour.

Original language	English
Pages (from-to)	2443-2445
Number of pages	3
Journal	Polyhedron
Volume	13
Issue number	15-16
DOIs	https://doi.org/10.1016/S0277-5387(00)88159-0
State	Published - 1 Jan 1994

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@article{f7acfafbdb8345dba1b99f0cad8e4531,

title = "A novel synthesis of organoimido complex by transamination action. X-ray cyystal structure of a bis-(isopropylimido) complex of tungsten(VI), [W(μNPri)(NPri)(NHPri)2]2",

abstract = "The bis(isopropylimido) complex [W(μ-NPri)(NPri)(NHPri)2]2 was synthesized by reacting W2(NBut)2(NHBut)2 with excess PriNH2. The complex, characterized by X-ray crystallography, is a dimer of distorted trigonal bipyramids sharing an edge defined by the unsymmetrical bridging imido ligands. Exchange between the bridging and the terminal imido ligands were observed on the NMR timescale, ΔG‡ = 14.5 ± 1.0 kcal mol-1. An equilibration process is proposed to account for the fluxional behaviour.",

author = "Hsin-Tien Chiu and Chuang, {Shiow Huey} and Lee, {Gene Hsiang} and Peng, {Shie Ming}",

year = "1994",

month = jan,

day = "1",

doi = "10.1016/S0277-5387(00)88159-0",

language = "English",

volume = "13",

pages = "2443--2445",

journal = "Polyhedron",

issn = "0277-5387",

publisher = "Elsevier Limited",

number = "15-16",

}

A novel synthesis of organoimido complex by transamination action. X-ray cyystal structure of a bis-(isopropylimido) complex of tungsten(VI), [W(μNPrⁱ)(NPrⁱ)(NHPrⁱ)₂]₂. / Chiu, Hsin-Tien; Chuang, Shiow Huey; Lee, Gene Hsiang; Peng, Shie Ming.

In: Polyhedron, Vol. 13, No. 15-16, 01.01.1994, p. 2443-2445.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - A novel synthesis of organoimido complex by transamination action. X-ray cyystal structure of a bis-(isopropylimido) complex of tungsten(VI), [W(μNPri)(NPri)(NHPri)2]2

AU - Chiu, Hsin-Tien

AU - Chuang, Shiow Huey

AU - Lee, Gene Hsiang

AU - Peng, Shie Ming

PY - 1994/1/1

Y1 - 1994/1/1

N2 - The bis(isopropylimido) complex [W(μ-NPri)(NPri)(NHPri)2]2 was synthesized by reacting W2(NBut)2(NHBut)2 with excess PriNH2. The complex, characterized by X-ray crystallography, is a dimer of distorted trigonal bipyramids sharing an edge defined by the unsymmetrical bridging imido ligands. Exchange between the bridging and the terminal imido ligands were observed on the NMR timescale, ΔG‡ = 14.5 ± 1.0 kcal mol-1. An equilibration process is proposed to account for the fluxional behaviour.

AB - The bis(isopropylimido) complex [W(μ-NPri)(NPri)(NHPri)2]2 was synthesized by reacting W2(NBut)2(NHBut)2 with excess PriNH2. The complex, characterized by X-ray crystallography, is a dimer of distorted trigonal bipyramids sharing an edge defined by the unsymmetrical bridging imido ligands. Exchange between the bridging and the terminal imido ligands were observed on the NMR timescale, ΔG‡ = 14.5 ± 1.0 kcal mol-1. An equilibration process is proposed to account for the fluxional behaviour.

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U2 - 10.1016/S0277-5387(00)88159-0

DO - 10.1016/S0277-5387(00)88159-0

M3 - Article

AN - SCOPUS:0001004107

VL - 13

SP - 2443

EP - 2445

JO - Polyhedron

JF - Polyhedron

SN - 0277-5387

IS - 15-16

ER -