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Volumn 19, Issue 7, 2000, Pages 1308-1318

Mechanisms of C-Si and C-H Bond Formation on the Reactions of Alkenylruthenium(II) Complexes with Hydrosilanes

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EID: 0000985341     PISSN: 02767333     EISSN: None     Source Type: Journal    
DOI: 10.1021/om9909035     Document Type: Article
Times cited : (64)

References (93)
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    • (b) Ojima, I. In The Chemistry of Organic Silicon Compounds; Patai, S., Rappoport, Z., Eds.; Wiley: Chichester, U.K., 1989; p 1479.
    • (1989) The Chemistry of Organic Silicon Compounds , pp. 1479
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    • The relative ease of the Chalk-Harrod and modified Chalk-Harrod mechanisms has been theoretically examined: (a) Sakaki, S.; Mizoe, N.; Sugimoto, M. Organometallics 1998, 17, 2510. (b) Sakaki, S.; Ogawa, M.; Musashi, Y.; Arai, T. J. Am. Chem. Soc. 1994, 116, 7258. (c) Sugimoto, M.; Yamasaki, I.; Mizoe, N.; Anzai, M.; Sakaki, S. Theor. Chem. Acc. 1999, 102, 377-384.
    • (1998) Organometallics , vol.17 , pp. 2510
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  • 30
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    • The relative ease of the Chalk-Harrod and modified Chalk- Harrod mechanisms has been theoretically examined: (a) Sakaki, S.; Mizoe, N.; Sugimoto, M. Organometallics 1998, 17, 2510. (b) Sakaki, S.; Ogawa, M.; Musashi, Y.; Arai, T. J. Am. Chem. Soc. 1994, 116, 7258. (c) Sugimoto, M.; Yamasaki, I.; Mizoe, N.; Anzai, M.; Sakaki, S. Theor. Chem. Acc. 1999, 102, 377-384.
    • (1994) J. Am. Chem. Soc. , vol.116 , pp. 7258
    • Sakaki, S.1    Ogawa, M.2    Musashi, Y.3    Arai, T.4
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    • The relative ease of the Chalk-Harrod and modified Chalk- Harrod mechanisms has been theoretically examined: (a) Sakaki, S.; Mizoe, N.; Sugimoto, M. Organometallics 1998, 17, 2510. (b) Sakaki, S.; Ogawa, M.; Musashi, Y.; Arai, T. J. Am. Chem. Soc. 1994, 116, 7258. (c) Sugimoto, M.; Yamasaki, I.; Mizoe, N.; Anzai, M.; Sakaki, S. Theor. Chem. Acc. 1999, 102, 377-384.
    • (1999) Theor. Chem. Acc. , vol.102 , pp. 377-384
    • Sugimoto, M.1    Yamasaki, I.2    Mizoe, N.3    Anzai, M.4    Sakaki, S.5
  • 50
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    • For reviews on α-bond metathesis, see: (a) Arndtsen, B. A.; Bergman, R. G.; Mobley, T. A.; Peterson, T. H. Acc. Chem. Res. 1995, 28, 154. (b) Crabtree, R. H. Chem. Rev. 1995, 95, 987.
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    • note
    • 16
  • 59
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    • note
    • 2Ph and styryl complexes. Thus, in this situation, the more electron-rich hydrosilane and the more electron-deficient ruthenium center should provide the higher reaction rate if steric conditions are similar. However, the reactivity order observed for a series of para-substituted dimethylphenylsilane derivatives was apparently opposite to this prospect (Figure 2). In addition, although the more electron-withdrawing substituent Y at the para position of the styryl ligand possibly causes the ruthenium center to be more electron deficient and thereby a higher reaction rate, the reactivity order actually observed was just the reverse (Figure 1).
  • 60
    • 85037505382 scopus 로고    scopus 로고
    • note
    • 2 = 0.956.
  • 61
    • 85037503808 scopus 로고    scopus 로고
    • note
    • 2) for least-squares calculations are 0.848 and 0.215, respectively.
  • 64
    • 85037514827 scopus 로고    scopus 로고
    • note
    • A listing of the rate constants for 1d and 1e is available in the Supporting Information.
  • 65
    • 85037506301 scopus 로고    scopus 로고
    • note
    • D = 1.07-(3) at 30 °C.
  • 66
    • 85037508368 scopus 로고    scopus 로고
    • note
    • -1.
  • 67
    • 85037499413 scopus 로고    scopus 로고
    • note
    • 28g
  • 69
    • 85037517523 scopus 로고    scopus 로고
    • note
    • -1.
  • 70
    • 85037503702 scopus 로고    scopus 로고
    • note
    • 3]).
  • 71
    • 85037501023 scopus 로고    scopus 로고
    • note
    • 27a,d,f the activation energy mainly reflects the energy change associated with predissociation of a coordinated solvent such as heptane. Therefore, the actual activation barrier for oxidative addition may be lower than the observed one.
  • 89
    • 85037521576 scopus 로고    scopus 로고
    • note
    • Details of the X-ray structure of 1f are reported in the Supporting Information.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.