Affiliation: | 1. University of Padova, Department of Chemical Sciences, 35131 Padova, Italy, Fax: (+39)?049‐827‐5239;2. University of Trieste, Department of Chemical Sciences, 34127 Trieste, Italy, Fax: (+39)?040‐558‐3903;3. DSM Research, Life Sciences‐Advanced Synthesis & Catalysis, 6160 MD Geleen, The Netherlands |