Meiere, S. H.; Harman, D. Binding Selectivity of Dihapto-Coordinated Olefins, Ketones, and Aldehydes Utilizing the Asymmetric π-Basic Metal Fragment TpRe(CO)(1-methylimidazole) (Tp = Hydridotris(pyrazolyl)borate). Organometallics 2001, 20, 3876-3883.