An organometallic radical route to bis (phosphide)- and hydrido-phosphido-bridged metal-metal-bonded complexes of cyclopentadienylchromium via desulfurization of thiophosphinito ligands

Lai Yoong Goh; Zhiqiang Weng; Weng Kee Leong; Jagadese J. Vittal; Ionel Haiduc

doi:10.1021/om0203680

An organometallic radical route to bis (phosphide)- and hydrido-phosphido-bridged metal-metal-bonded complexes of cyclopentadienylchromium via desulfurization of thiophosphinito ligands

Lai Yoong Goh^*, Zhiqiang Weng, Weng Kee Leong, Jagadese J. Vittal, Ionel Haiduc

^*Corresponding author for this work

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

21 Citations (Scopus)

Abstract

The reaction of [CpCr(CO)₃]₂ (1, Cp = η⁵C₅H₅) with 1 mol equiv of the tetraalkyldiphosphine disulfide R₂P(S)P(S)R₂ (R = Me, Et) at 60 °C for 24 h led to the isolation of the thiophosphinito complexes CpCr(CO)₂(SPR₂) (2a, R = Me; 2b, R = Et) as dark red solids in ca. 24% yield. Desulfurization of 2a by the organometallic radical CpCr(CO)₃* (1A) gave the hydrido-phosphido-bridged complex Cp₂Cr₂(CO)₄,(μ-H)(μ-PMe₂) (3a), the bis(μ-phosphido) metal-metal doubly bonded complex Cp₂Cr₂(CO)₂(μ-PMe₂)₂ (4a), and the triangulo trinuclear complex Cp₃Cr₃(CO)₃(S)(PMe₂) (5a). The solid-state structures of all of the complexes have been determined by single-crystal X-ray diffraction analysis.

Original language	English
Pages (from-to)	5287-5291
Number of pages	5
Journal	Organometallics
Volume	21
Issue number	24
DOIs	https://doi.org/10.1021/om0203680
Publication status	Published - Nov 25 2002
Externally published	Yes

ASJC Scopus Subject Areas

Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry

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title = "An organometallic radical route to bis (phosphide)- and hydrido-phosphido-bridged metal-metal-bonded complexes of cyclopentadienylchromium via desulfurization of thiophosphinito ligands",

abstract = "The reaction of [CpCr(CO)3]2 (1, Cp = η5C5H5) with 1 mol equiv of the tetraalkyldiphosphine disulfide R2P(S)P(S)R2 (R = Me, Et) at 60 °C for 24 h led to the isolation of the thiophosphinito complexes CpCr(CO)2(SPR2) (2a, R = Me; 2b, R = Et) as dark red solids in ca. 24% yield. Desulfurization of 2a by the organometallic radical CpCr(CO)3* (1A) gave the hydrido-phosphido-bridged complex Cp2Cr2(CO)4,(μ-H)(μ-PMe2) (3a), the bis(μ-phosphido) metal-metal doubly bonded complex Cp2Cr2(CO)2(μ-PMe2)2 (4a), and the triangulo trinuclear complex Cp3Cr3(CO)3(S)(PMe2) (5a). The solid-state structures of all of the complexes have been determined by single-crystal X-ray diffraction analysis.",

author = "Goh, {Lai Yoong} and Zhiqiang Weng and Leong, {Weng Kee} and Vittal, {Jagadese J.} and Ionel Haiduc",

year = "2002",

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doi = "10.1021/om0203680",

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journal = "Organometallics",

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An organometallic radical route to bis (phosphide)- and hydrido-phosphido-bridged metal-metal-bonded complexes of cyclopentadienylchromium via desulfurization of thiophosphinito ligands. / Goh, Lai Yoong; Weng, Zhiqiang; Leong, Weng Kee et al.
In: Organometallics, Vol. 21, No. 24, 25.11.2002, p. 5287-5291.

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

TY - JOUR

T1 - An organometallic radical route to bis (phosphide)- and hydrido-phosphido-bridged metal-metal-bonded complexes of cyclopentadienylchromium via desulfurization of thiophosphinito ligands

AU - Goh, Lai Yoong

AU - Weng, Zhiqiang

AU - Leong, Weng Kee

AU - Vittal, Jagadese J.

AU - Haiduc, Ionel

PY - 2002/11/25

Y1 - 2002/11/25

N2 - The reaction of [CpCr(CO)3]2 (1, Cp = η5C5H5) with 1 mol equiv of the tetraalkyldiphosphine disulfide R2P(S)P(S)R2 (R = Me, Et) at 60 °C for 24 h led to the isolation of the thiophosphinito complexes CpCr(CO)2(SPR2) (2a, R = Me; 2b, R = Et) as dark red solids in ca. 24% yield. Desulfurization of 2a by the organometallic radical CpCr(CO)3* (1A) gave the hydrido-phosphido-bridged complex Cp2Cr2(CO)4,(μ-H)(μ-PMe2) (3a), the bis(μ-phosphido) metal-metal doubly bonded complex Cp2Cr2(CO)2(μ-PMe2)2 (4a), and the triangulo trinuclear complex Cp3Cr3(CO)3(S)(PMe2) (5a). The solid-state structures of all of the complexes have been determined by single-crystal X-ray diffraction analysis.

AB - The reaction of [CpCr(CO)3]2 (1, Cp = η5C5H5) with 1 mol equiv of the tetraalkyldiphosphine disulfide R2P(S)P(S)R2 (R = Me, Et) at 60 °C for 24 h led to the isolation of the thiophosphinito complexes CpCr(CO)2(SPR2) (2a, R = Me; 2b, R = Et) as dark red solids in ca. 24% yield. Desulfurization of 2a by the organometallic radical CpCr(CO)3* (1A) gave the hydrido-phosphido-bridged complex Cp2Cr2(CO)4,(μ-H)(μ-PMe2) (3a), the bis(μ-phosphido) metal-metal doubly bonded complex Cp2Cr2(CO)2(μ-PMe2)2 (4a), and the triangulo trinuclear complex Cp3Cr3(CO)3(S)(PMe2) (5a). The solid-state structures of all of the complexes have been determined by single-crystal X-ray diffraction analysis.

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An organometallic radical route to bis (phosphide)- and hydrido-phosphido-bridged metal-metal-bonded complexes of cyclopentadienylchromium via desulfurization of thiophosphinito ligands

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