Institution: | 1. Department of Organic and Inorganic Chemistry, Faculty of Sciences, VU University Amsterdam, De Boelelaan 1083, 1081 HV, Amsterdam (The Netherlands), Fax: (+31)?20‐5987488;2. Laboratorium für Organische Chemie, ETH Zürich, Wolfgang‐Pauli‐Strasse 10, 8093, Zürich (Switzerland), Fax: (+41)?44‐632‐21280 |