Synthesis of triosmium alkylidyne clusters incorporating bis(diphenylphosphino) alkane type ligands. Crystal structures of [{Os3(μ-H)2(CO) 9(μ3-C)}2(μ-dpp)] (dppp = bis(diphenylphosphino)propane) and [Os3(μ-H)2(CO) 8(μ3-CPPh2CH2PPh2)]

Ya Yin Choi; Wai Yeung Wong; Wing Tak Wong

doi:10.1016/0022-328X(96)06201-8

Synthesis of triosmium alkylidyne clusters incorporating bis(diphenylphosphino) alkane type ligands. Crystal structures of [{Os₃(μ-H)₂(CO) 9(μ3-C)}₂(μ-dpp)] (dppp = bis(diphenylphosphino)propane) and [Os₃(μ-H)₂(CO) 8(μ3-CPPh₂CH₂PPh₂)]

Ya Yin Choi, Wai Yeung Wong, Wing Tak Wong

Research output: Journal article publication › Journal article › Academic research › peer-review

9 Citations (Scopus)

Abstract

The reaction of triosmium alkylidyne cluster [Os3(μ-H)3(CO)9(μ3-CCI)] with excess bis(diphenylphosphino)methane (dppm), bis(diphenylphosphino)ethane (dppe) or bis(diphenylphosphino)propane (dppp) in the presence of 1,8-diazabicyclo[5.4.0]undec-7-ene (dbu) yields [Os3(μ-H)2(CO)9(μ3-CPPh2CH2PPh2)] 1, [Os3(μ-H)2(CO)9(μ3-CPPh2CH2CH2PPh2)] 2, and a linking cluster [{Os3(μ-H)2(CO)9(μ3-C)}2(μ-dppp)] 3 respectively in moderate yields. Complexes 1 and 2 are found to undergo ring formation by decarbonylation and formation of an Os-P bond to give new clusters [Os3(μ-H)2(CO)8(μ3-CPPh2CH2)PPh2] 4 and [Os3(μ-H)2(CO)8(μ3--CPPh2CH2CH2)PPh2] 5. Single-crystal X-ray structural analyses of 3 and 4 have shown that there was a phosphine-substituted μ3-C ligand bonded to one of the triosmium metal cores, giving a five-membered osmacycle complex for 4, while 3 has the structure of a linking cluster, with the two triosmium alkylidyne cluster units linked by a dppp ligand.

Original language	English
Pages (from-to)	227-233
Number of pages	7
Journal	Journal of Organometallic Chemistry
Volume	518
Issue number	1-2
DOIs	https://doi.org/10.1016/0022-328X(96)06201-8
Publication status	Published - 12 Jul 1996
Externally published	Yes

Keywords

Alkylidyne
Bis(diphenylphosphino)alkane
Carbonyl
Clusters
Crystal structure
Osmium

ASJC Scopus subject areas

Biochemistry
Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry
Materials Chemistry

More information

10.1016/0022-328X(96)06201-8

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Choi, Y. Y., Wong, W. Y., & Wong, W. T. (1996). Synthesis of triosmium alkylidyne clusters incorporating bis(diphenylphosphino) alkane type ligands. Crystal structures of [{Os₃(μ-H)₂(CO) 9(μ3-C)}₂(μ-dpp)] (dppp = bis(diphenylphosphino)propane) and [Os₃(μ-H)₂(CO) 8(μ3-CPPh₂CH₂PPh₂)]. Journal of Organometallic Chemistry, 518(1-2), 227-233. https://doi.org/10.1016/0022-328X(96)06201-8

Choi, Ya Yin ; Wong, Wai Yeung ; Wong, Wing Tak. / Synthesis of triosmium alkylidyne clusters incorporating bis(diphenylphosphino) alkane type ligands. Crystal structures of [{Os₃(μ-H)₂(CO) 9(μ3-C)}₂(μ-dpp)] (dppp = bis(diphenylphosphino)propane) and [Os₃(μ-H)₂(CO) 8(μ3-CPPh₂CH₂PPh₂)]. In: Journal of Organometallic Chemistry. 1996 ; Vol. 518, No. 1-2. pp. 227-233.

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title = "Synthesis of triosmium alkylidyne clusters incorporating bis(diphenylphosphino) alkane type ligands. Crystal structures of [{Os3(μ-H)2(CO) 9(μ3-C)}2(μ-dpp)] (dppp = bis(diphenylphosphino)propane) and [Os3(μ-H)2(CO) 8(μ3-CPPh2CH2PPh2)]",

abstract = "The reaction of triosmium alkylidyne cluster [Os3(μ-H)3(CO)9(μ3-CCI)] with excess bis(diphenylphosphino)methane (dppm), bis(diphenylphosphino)ethane (dppe) or bis(diphenylphosphino)propane (dppp) in the presence of 1,8-diazabicyclo[5.4.0]undec-7-ene (dbu) yields [Os3(μ-H)2(CO)9(μ3-CPPh2CH2PPh2)] 1, [Os3(μ-H)2(CO)9(μ3-CPPh2CH2CH2PPh2)] 2, and a linking cluster [{Os3(μ-H)2(CO)9(μ3-C)}2(μ-dppp)] 3 respectively in moderate yields. Complexes 1 and 2 are found to undergo ring formation by decarbonylation and formation of an Os-P bond to give new clusters [Os3(μ-H)2(CO)8(μ3-CPPh2CH2)PPh2] 4 and [Os3(μ-H)2(CO)8(μ3--CPPh2CH2CH2)PPh2] 5. Single-crystal X-ray structural analyses of 3 and 4 have shown that there was a phosphine-substituted μ3-C ligand bonded to one of the triosmium metal cores, giving a five-membered osmacycle complex for 4, while 3 has the structure of a linking cluster, with the two triosmium alkylidyne cluster units linked by a dppp ligand.",

keywords = "Alkylidyne, Bis(diphenylphosphino)alkane, Carbonyl, Clusters, Crystal structure, Osmium",

author = "Choi, {Ya Yin} and Wong, {Wai Yeung} and Wong, {Wing Tak}",

year = "1996",

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doi = "10.1016/0022-328X(96)06201-8",

language = "English",

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journal = "Journal of Organometallic Chemistry",

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Choi, YY, Wong, WY & Wong, WT 1996, 'Synthesis of triosmium alkylidyne clusters incorporating bis(diphenylphosphino) alkane type ligands. Crystal structures of [{Os₃(μ-H)₂(CO) 9(μ3-C)}₂(μ-dpp)] (dppp = bis(diphenylphosphino)propane) and [Os₃(μ-H)₂(CO) 8(μ3-CPPh₂CH₂PPh₂)]', Journal of Organometallic Chemistry, vol. 518, no. 1-2, pp. 227-233. https://doi.org/10.1016/0022-328X(96)06201-8

Synthesis of triosmium alkylidyne clusters incorporating bis(diphenylphosphino) alkane type ligands. Crystal structures of [{Os₃(μ-H)₂(CO) 9(μ3-C)}₂(μ-dpp)] (dppp = bis(diphenylphosphino)propane) and [Os₃(μ-H)₂(CO) 8(μ3-CPPh₂CH₂PPh₂)]. / Choi, Ya Yin; Wong, Wai Yeung ; Wong, Wing Tak.
In: Journal of Organometallic Chemistry, Vol. 518, No. 1-2, 12.07.1996, p. 227-233.

Research output: Journal article publication › Journal article › Academic research › peer-review

TY - JOUR

T1 - Synthesis of triosmium alkylidyne clusters incorporating bis(diphenylphosphino) alkane type ligands. Crystal structures of [{Os3(μ-H)2(CO) 9(μ3-C)}2(μ-dpp)] (dppp = bis(diphenylphosphino)propane) and [Os3(μ-H)2(CO) 8(μ3-CPPh2CH2PPh2)]

AU - Choi, Ya Yin

AU - Wong, Wai Yeung

AU - Wong, Wing Tak

PY - 1996/7/12

Y1 - 1996/7/12

N2 - The reaction of triosmium alkylidyne cluster [Os3(μ-H)3(CO)9(μ3-CCI)] with excess bis(diphenylphosphino)methane (dppm), bis(diphenylphosphino)ethane (dppe) or bis(diphenylphosphino)propane (dppp) in the presence of 1,8-diazabicyclo[5.4.0]undec-7-ene (dbu) yields [Os3(μ-H)2(CO)9(μ3-CPPh2CH2PPh2)] 1, [Os3(μ-H)2(CO)9(μ3-CPPh2CH2CH2PPh2)] 2, and a linking cluster [{Os3(μ-H)2(CO)9(μ3-C)}2(μ-dppp)] 3 respectively in moderate yields. Complexes 1 and 2 are found to undergo ring formation by decarbonylation and formation of an Os-P bond to give new clusters [Os3(μ-H)2(CO)8(μ3-CPPh2CH2)PPh2] 4 and [Os3(μ-H)2(CO)8(μ3--CPPh2CH2CH2)PPh2] 5. Single-crystal X-ray structural analyses of 3 and 4 have shown that there was a phosphine-substituted μ3-C ligand bonded to one of the triosmium metal cores, giving a five-membered osmacycle complex for 4, while 3 has the structure of a linking cluster, with the two triosmium alkylidyne cluster units linked by a dppp ligand.

AB - The reaction of triosmium alkylidyne cluster [Os3(μ-H)3(CO)9(μ3-CCI)] with excess bis(diphenylphosphino)methane (dppm), bis(diphenylphosphino)ethane (dppe) or bis(diphenylphosphino)propane (dppp) in the presence of 1,8-diazabicyclo[5.4.0]undec-7-ene (dbu) yields [Os3(μ-H)2(CO)9(μ3-CPPh2CH2PPh2)] 1, [Os3(μ-H)2(CO)9(μ3-CPPh2CH2CH2PPh2)] 2, and a linking cluster [{Os3(μ-H)2(CO)9(μ3-C)}2(μ-dppp)] 3 respectively in moderate yields. Complexes 1 and 2 are found to undergo ring formation by decarbonylation and formation of an Os-P bond to give new clusters [Os3(μ-H)2(CO)8(μ3-CPPh2CH2)PPh2] 4 and [Os3(μ-H)2(CO)8(μ3--CPPh2CH2CH2)PPh2] 5. Single-crystal X-ray structural analyses of 3 and 4 have shown that there was a phosphine-substituted μ3-C ligand bonded to one of the triosmium metal cores, giving a five-membered osmacycle complex for 4, while 3 has the structure of a linking cluster, with the two triosmium alkylidyne cluster units linked by a dppp ligand.

KW - Alkylidyne

KW - Bis(diphenylphosphino)alkane

KW - Carbonyl

KW - Clusters

KW - Crystal structure

KW - Osmium

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DO - 10.1016/0022-328X(96)06201-8

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JO - Journal of Organometallic Chemistry

JF - Journal of Organometallic Chemistry

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