Affiliation: | 1. Department of Chemistry, University of Alberta, , Edmonton, Alberta, T6G 2G2 Canada;2. X‐ray Crystallography Laboratory, Department of Chemistry, University of Alberta, , Edmonton, Alberta, T6G 2G2 Canada;3. Institut de Chimie, Université de Strasbourg, , F‐67070 Strasbourg, France;4. Department of Chemistry, The University of Texas at El Paso, , El Paso, TX, 79968 USA;5. Institut für Organische Chemie, Friedrich‐Alexander Universit?t Erlangen Nürnberg, , 91054 Erlangen, Germany |