Issue 9, 2010
From the journal:

New Journal of Chemistry

The rational synthesis of tetranuclear heterometallic butterfly clusters: reactions of [M2(CO)6(μ-pyS)2] (M = Re, Mn) with group VIII metal carbonyls†

Shishir Ghosh,a   Kamrun N. Khanam,a   G. M. Golzar Hossain,b   Daniel T. Haworth,c   Sergey V. Lindeman,c   Graeme Hogarth*d  and  Shariff E. Kabir*a  

* Corresponding authors

a Department of Chemistry, Jahangirnagar University, Savar, Bangladesh

b Department of Chemistry, University of Dhaka, Bangladesh

c Department of Chemistry, Marquette University, P.O. Box 1881, Milwaukee, USA

d Department of Chemistry, University College London, 20 Gordon Street, London, UK

Abstract

Heating [Os3(CO)10(NCMe)2] with [M2(CO)6(μ-pyS)2] (M = Re, Mn) (1–2) in benzene affords tetranuclear mixed-metal butterfly clusters [MOs3(CO)13(μ3-pyS)] (3–4). Similar reactions with Ru3(CO)12 give [MRu3(CO)13(μ3-pyS)] (5–6); however, when the latter is carried out in toluene the tetraruthenium sulfido cluster [Ru4(CO)12(μ-py)2(μ4-S)] (7) is the major product. Treatment of Fe3(CO)12 with 1 in refluxing toluene affords the mixed-metal sulfido cluster, [Fe2Re2(CO)13(μ-py)(μ-pyS)(μ4-S)] (8), while a similar reaction with 2 furnishes the tetrairon cluster [Fe4(CO)12(μ-py)2(μ4-S)] (9). Addition of PPh3 to 3 in the presence of Me3NO affords both the mono- and bis(phosphine)-substituted products [ReOs3(CO)12(PPh3)(μ3-pyS)] (10) and [ReOs3(CO)11(PPh3)2(μ3-pyS)] (11), respectively. All new complexes have been characterized by a combination of spectroscopic data and single-crystal X-ray diffraction studies.

Graphical abstract: The rational synthesis of tetranuclear heterometallic butterfly clusters: reactions of [M2(CO)6(μ-pyS)2] (M = Re, Mn) with group VIII metal carbonyls

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Article information

DOI
https://doi.org/10.1039/B9NJ00526A
Article type
Paper
Submitted
01 Oct 2009
Accepted
17 Feb 2010
First published
12 May 2010

New J. Chem., 2010,34, 1875-1884

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The rational synthesis of tetranuclear heterometallic butterfly clusters: reactions of [M2(CO)6(μ-pyS)2] (M = Re, Mn) with group VIII metal carbonyls

S. Ghosh, K. N. Khanam, G. M. G. Hossain, D. T. Haworth, S. V. Lindeman, G. Hogarth and S. E. Kabir, New J. Chem., 2010, 34, 1875 DOI: 10.1039/B9NJ00526A

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