Affiliation: | 1. Institute of Chemistry, The Hebrew University, Edmond Safra Campus, 91904 Jerusalem (Israel), Fax: (+972)?2‐6585279;2. A.N.Nesmeyanov Institute of Organoelement Compound RAS, 28 Vavilov str., 119991 Moscow (Russia);3. Georg‐August‐Universit?t G?ttingen, Institut für Organische und Biomolekulare Chemie, Tammannstrasse 2, 37077 G?ttingen (Germany) |