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DOI: 10.1039/A700702G (Paper) Reference Section for: Chem. Commun., 1997, 1443-1444

Photocatalytic and aerobic oxidation of saturated alkanes by a neutral luminescent trans-dioxoosmium(vi) complex [OsO2(CN)2(dpphen)]

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Jack Y. K. Cheng, Kung-Kai Cheung, Chi-Ming Che and Tai-Chu Lau

Abstract

A neutral trans-dioxoosmium(VI) complex [OsO2(CN)2(dpphen)] (dpphen = 4,7-diphenyl-1,10-phenanthroline) is prepared and characterized by X-ray crystal analysis; the excited state is long-lived, emissive and oxidizing[E°(OsVI–V) = 2.15 V vs. NHE; lifetime = 0.95 µs; quantum yield = 5 × 10-4; λem(max.) = 650 nm]; under UV–VIS irradiation and in the presence of dioxygen, cyclohexane is oxidized to cyclohexanol and cyclohexanone with a turnover number of 16; secondary C–H bonds of propane and primary C–H bonds of n-hexane are also oxidized.

References

  1. S. Davis and R. S. Drago, J. Chem. Soc., Chem. Commun., 1990, 250 RSC; D. N. Hendrickson, M. G. Kinnaird and K. S. Suslick, J. Am. Chem. Soc., 1987, 109, 1243 CrossRef CAS.
  2. (a) C. M. Che, V. W. W. Yam, K. C. Cho and H. B. Gray, J. Chem. Soc., Chem. Commun., 1987, 948 RSC; (b) V. W. W. Yam and C. M. Che, New. J. Chem., 1989, 13, 707 Search PubMed; (c) V. W. W. Yam and C. M. Che, Coord. Chem. Rev., 1990, 97, 93 CrossRef CAS; (d) K. F. Chin, Y. K. Cheng, K. K. Cheung, C. X. Guo and C. M. Che, J. Chem. Soc., Dalton Trans., 1995, 2967 RSC.
  3. H. Arzoumanian, G. Agrifoglio, H. Krentzien and M. Capparelli, J. Chem. Soc., Chem. Commun., 1995, 655 RSC.
  4. C. Creutz and M. H. Chou, Inorg. Chem., 1994, 33, 3199 CrossRef CAS; S. Schindler, E. W. Castner, C. Creutz and N. Sutin, Inorg. Chem., 1993, 32, 4200 CrossRef CAS.
  5. C. M. Che, W. K. Cheng and V. W. W. Yam, J. Chem. Soc., Dalton Trans., 1990, 3095 RSC.
  6. C. Sartori and W. Preetz, Z. Anorg. Allg. Chem., 1989, 151 CrossRef CAS.
  7. V. M. Miskowski, H. B. Gray and M. D. Hopkins, Adv. Transition Met. Chem., 1996, 1, 159 Search PubMed.
  8. C. M. Che, V. W. W. Yam and T. C. W. Mak, J. Am. Chem. Soc., 1990, 112, 2284 CrossRef CAS.
  9. T. C. Lau and C. K. Mak, J. Chem. Soc., Chem. Commun., 1995, 943 RSC; A. S. Goldstein, R. H. Beer and R. S. Drago, J. Am. Chem. Soc., 1994, 116, 2424 CrossRef CAS; M. S. Thompson and T. J. Meyer, J. Am. Chem. Soc., 1982, 104, 5076 CrossRef.
  10. C. M. Che, C. Ho and T. C. Lau, J. Chem. Soc., Dalton Trans., 1991, 1259 RSC.
  11. D. T. Sawyer, Comments Inorg. Chem., 1990, 10, 129 CAS.
  12. J. Y. K. Cheng, K. K. Cheung and C. M. Che, J. Chem. Soc., Chem. Commun., 1997, 6, 623 RSC.
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