1. A. V. Ivanov, O. N. Antzutkin, A.-C. Larsson, et al., Inorg. Chim. Acta 315(1), 26 (2001).
2. V. P. Wystrach, E. O. Hook, and G. L. M. Christopher, J. Org. Chem. 21(6), 705 (1956).
3. A. J. Burn and G. V. Smith, J. Chem. Soc., Chem. Commun., No. 17, 394 (1965).
4. Y. X. Jin, Zh. Chai, and Q. Wang, Shiyou Huagong (Petrochem. Technol.) 17(4), 235 (1988).
5. S. Menzer, J. R. Phillips, A. M. Z. Slawin, et al., J. Chem. Soc., Dalton Trans., No. 19, 3269 (2000).