Скачайте, пожалуйста, 4 статьи JACS:
1. Am. Chem. Soc., 1993, 115 (8), pp 3326–3327, Michael A. Giardello, Moris S. Eisen, Charlotte L. Stern, Tobin J. Marks, "Chiral, non-C2 symmetric zirconocene complexes as catalysts for stereoregular .alpha.-olefin polymerization"
2. Organometallics, 1997, 16 (4), pp 544–550, Gerhard Jany, Riad Fawzi, Manfred Steimann, and Bernhard Rieger, "Synthesis of Enantiomerically Pure Ethylene-Bridged ansa-Zirconocene and -Hafnocene Complexes Bearing Fluorenyl, Indenyl, Octahydrofluorenyl, and Tetrahydroindenyl Ligands"
3. Organometallics, 1997, 16 (12), pp 2503–2505, Yasushi Obora, Charlotte L. Stern, and Tobin J. Marks*"Ancillary Ligand Effects in Chiral C1-Symmetric ansa-Metallocene Catalysts for Stereoregular α-Olefin Polymerization. “Wingspan” Modification with Octahydrofluorene"
4. Organometallics, 1992, 11 (5), pp 1869–1876, Arnold L. Rheingold, N. P. Robinson, John Whelan, B. Bosnich, "Preparation and properties of chiral titanocene and zirconocene dichloride complexes of a chiral ligand"
Спасибо!