1. Ward, T. R.Chimia1999,53, 19, and references therein.
2. Grubbs, R. H.; Coates, G. W.Acc. Chem. Res.1996,29, 85, and references therein. Woo, T. K.; Margl, P. M.; Lohrenz, J. C. W.; Blöchl, P. E.; Ziegler, T.J. Am. Chem. Soc.1996,118, 13021. Prosenc, M.H.; Janiak, C.; Brintzinger, H. H.Organometallics1992,11, 4036. Brookhart, M.; M. L. H. GreenJ.Organomet. Chem.1983,250, 395.
3. Novel phosphorus ylide complexes of zirconium(IV)