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Volumn 46, Issue 14, 2007, Pages 5805-5812

Electron exchange involving a sulfur-stabilized ruthenium radical cation

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EID: 34547213848     PISSN: 00201669     EISSN: None     Source Type: Journal    
DOI: 10.1021/ic700580u     Document Type: Article
Times cited : (24)

References (48)
  • 5
    • 33749091909 scopus 로고    scopus 로고
    • Coto, A.; de los Ríos, I.; Tenorio, M. J.; Puerta, M. C.; Valerga, P. J. Chem. Soc., Dalton Trans. 1999, 4309-4314.
    • Coto, A.; de los Ríos, I.; Tenorio, M. J.; Puerta, M. C.; Valerga, P. J. Chem. Soc., Dalton Trans. 1999, 4309-4314.
  • 19
    • 0035904419 scopus 로고    scopus 로고
    • Iron radical cations: (a) Tilset, M.; Fjeldahl, I.; Hamon, J.-R.; Hamon, P.; Toupet, L.; Saillard, J.-Y.; Costuas, K.; Haynes, A. J. Am. Chem. Soc. 2001, 123, 9984-10000.
    • Iron radical cations: (a) Tilset, M.; Fjeldahl, I.; Hamon, J.-R.; Hamon, P.; Toupet, L.; Saillard, J.-Y.; Costuas, K.; Haynes, A. J. Am. Chem. Soc. 2001, 123, 9984-10000.
  • 22
    • 0001129143 scopus 로고    scopus 로고
    • Sulfur-stabilized iron radical cations: (a) Díaz, C
    • Sulfur-stabilized iron radical cations: (a) Díaz, C. Bol. Soc. Chil. Quím. 1999, 44, 315-320.
    • (1999) Bol. Soc. Chil. Quím , vol.44 , pp. 315-320
  • 26
    • 30344487238 scopus 로고    scopus 로고
    • Ruthenium radical cations: (a) Guan, H.; Saddoughi, S. A.; Shaw, A. P.; Norton, J. R. Organometallics 2005, 24, 6358-6364.
    • Ruthenium radical cations: (a) Guan, H.; Saddoughi, S. A.; Shaw, A. P.; Norton, J. R. Organometallics 2005, 24, 6358-6364.
  • 30
    • 33751500431 scopus 로고    scopus 로고
    • Sulfur-stabilized ruthenium radical cations: See refs 2 and 4, also: Treichel, P. M.; Schmidt, M. S.; Crane, R. A. Inorg. Chem. 1991, 30, 379-381.
    • Sulfur-stabilized ruthenium radical cations: See refs 2 and 4, also: Treichel, P. M.; Schmidt, M. S.; Crane, R. A. Inorg. Chem. 1991, 30, 379-381.
  • 31
    • 34547224750 scopus 로고    scopus 로고
    • Several half-sandwich cyclopentadienyl complexes of group 8 metals have been reported that are ostensibly 19-electron, but in no case has their structure been determined by X-ray crystallography; it is possible that they are really 17-electron complexes, (a) Hamon, P.; Hamon, J.-R.; Lapinte, C. J. Chem. Soc., Chem. Commun. 1992, 1602-1603.
    • Several half-sandwich cyclopentadienyl complexes of group 8 metals have been reported that are ostensibly 19-electron, but in no case has their structure been determined by X-ray crystallography; it is possible that they are really 17-electron complexes, (a) Hamon, P.; Hamon, J.-R.; Lapinte, C. J. Chem. Soc., Chem. Commun. 1992, 1602-1603.
  • 37
    • 34547188339 scopus 로고
    • English translation
    • English translation: J. Gen. Chem. USSR. 1988, 58, 605-612.
    • (1988) J. Gen. Chem. USSR , vol.58 , pp. 605-612
  • 40
    • 34547195470 scopus 로고    scopus 로고
    • The third equation in Scheme 1 reflects the ease with which a hydride ligand can serve as the kinetic site for protonation of a hydride complex: Papish, E. T.; Magee, M. P.; Norton, J. R. Protonation of Transition Metal Hydrides to Give Dihydrogen Complexes: Mechanistic Implications and Catalytic Applications. In Recent Advances in Hydride Chemistry; Poli, R., Ed.; Elsevier: New York, 2001; pp 39-74.
    • The third equation in Scheme 1 reflects the ease with which a hydride ligand can serve as the kinetic site for protonation of a hydride complex: Papish, E. T.; Magee, M. P.; Norton, J. R. Protonation of Transition Metal Hydrides to Give Dihydrogen Complexes: Mechanistic Implications and Catalytic Applications. In Recent Advances in Hydride Chemistry; Poli, R., Ed.; Elsevier: New York, 2001; pp 39-74.
  • 43
    • 34547194444 scopus 로고    scopus 로고
    • At room temperature in CD3CN, 3 appears as an AB pattern centered about δ 82.2 Δν, 1.3 ppm, JP-P, 26.8 Hz, The temperature dependence of the 31P NMR spectrum was confirmed by obtaining low-temperature spectra of a genuine sample
    • 31P NMR spectrum was confirmed by obtaining low-temperature spectra of a genuine sample.
  • 44
    • 34547198562 scopus 로고    scopus 로고
    • 31P NMR spectra. We conclude that 4 (eq 11) must not disproportionate rapidly when it is present in such low concentrations.
    • 31P NMR spectra. We conclude that 4 (eq 11) must not disproportionate rapidly when it is present in such low concentrations.
  • 45
    • 0000381879 scopus 로고    scopus 로고
    • This system is in the large hyperfine or slow exchange limit of the de Boer-MacLean equation for NMR line broadening due to e- exchange. See ref 18a and de Boer, E, MacLean, C. J. Chem. Phys. 1966, 44, 1334-1342
    • - exchange. See ref 18a and de Boer, E.; MacLean, C. J. Chem. Phys. 1966, 44, 1334-1342.
  • 46
    • 34547206825 scopus 로고    scopus 로고
    • This could be due to the electron transfer equilibrium in eq 11 most likely, slow electron exchange between 1 and 4, or proton exchange between 1 and 3
    • This could be due to the electron transfer equilibrium in eq 11 (most likely), slow electron exchange between 1 and 4, or proton exchange between 1 and 3.


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