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Volumn 27, Issue 16, 2008, Pages 4248-4253

Synthesis of trinuclear osmium polyhydrido clusters [{(C5Me 5)Os}3(μ;-H)6]+ and {(C 5Me5)Os}3(μ-H)3(μ3- H)2 and comparison with the ruthenium analogues

Author keywords

[No Author keywords available]

Indexed keywords

DINUCLEAR; SYNTHESIS OF; TETRAHYDRIDE COMPLEX;

EID: 51049088391     PISSN: 02767333     EISSN: None     Source Type: Journal    
DOI: 10.1021/om8003866     Document Type: Article
Times cited : (13)

References (45)
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    • (c) Süss-flnk, G.; Meister, G. In Advances in Organometallic Chemistry, Vol. 35; Cotton, F. A., Wilkinson, G., Murillo, C. A., Bochmann, M., Eds.; John Weiley & Sons, Inc.: New York, 1999; pp 41-134.
    • (1999) Advances in Organometallic Chemistry , vol.35 , pp. 41-134
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    • Cotton, F. A, Wilkinson, G, Murillo, C. A, Bochmann, M, Eds, John Wiley & Sons, Inc, New York
    • (d) Deeming, A. J. In Advances in Organometallic Chemistry, Vol. 26; Cotton, F. A., Wilkinson, G., Murillo, C. A., Bochmann, M., Eds.; John Wiley & Sons, Inc.: New York, 1999; pp 1-96.
    • (1999) Advances in Organometallic Chemistry , vol.26 , pp. 1-96
    • Deeming, A.J.1
  • 5
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    • Crabtree, R. H, Mingos, D. J. P, Eds, Elsevier: Oxford, UK, Chapter 6.06
    • (e) Hogarth, G. In Comprehensive Organometallic Chemistry III, Vol. 6; Crabtree, R. H., Mingos, D. J. P., Eds.; Elsevier: Oxford, UK, 2007; Chapter 6.06.
    • (2007) Comprehensive Organometallic Chemistry III , vol.6
    • Hogarth, G.1
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    • Crabtree, R. H, Mingos, D. J. P, Eds, Elsevier: Oxford, UK, Chapter 6.17
    • (f) Wilton-Ely, J. D. In Comprehensive Organometallic Chemistry III, Vol. 6; Crabtree, R. H., Mingos, D. J. P., Eds.; Elsevier: Oxford, UK, 2007; Chapter 6.17.
    • (2007) Comprehensive Organometallic Chemistry III , vol.6
    • Wilton-Ely, J.D.1
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    • Master Thesis, Tokyo Institute of Technology, To be published
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    • Ito, Y.1
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    • When complex 5 was heated at 40°C in tetrahydrofuran, a black solid gradually precipitated. The product was washed with tetrahydrofuran, and the removal of the solvent under reduced pressure gave the dicationic tetranuclear octahydrido complex, C5Me5)Os} 4H8][BF4]2 in 85% yield. The tetranuclear complex was characterized by 1H and 13C NMR spectroscopy and preliminary X-ray diffraction studies, C5Me 5)Os)4H8][BF4]2: 1H NMR (400 MHz,-60°C, CD2Cl2, δ/ppm)-18.58 (s, 4H, Os-H, 12.05 (s, 4H, Os-H, 2.13 (s, 60H, C 5Me5, 13C NMR (100 MHz, room temperature, CD3OD, δ/ppm) 13.3 (q, JCH, 128.3 Hz, C 5Me5, 97.9 s, C5Me5
    • 5).
  • 35
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    • According to preliminary results of DFT calculations14 for the monocationic pentahydride, C5Me5Ru(H) 5Ru(C5Me5, I) has three bridging hydrides and a η2-H2 ligand coordinated to one of the two ruthenium centers, while, C5Me5)Os(H) 5Os(C5Me5, 5) has five bridging hydrides. This may be reflected in the reactivity. One of the ruthenium atoms in I is probably highly unsaturated, and protonation would readily proceed at this site
    • + (5) has five bridging hydrides. This may be reflected in the reactivity. One of the ruthenium atoms in I is probably highly unsaturated, and protonation would readily proceed at this site.
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    • + exhibited no imaginary frequency.
    • + exhibited no imaginary frequency.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.