1. Institute of Organic Chemistry of the Polish Academy of Sciences, Kasprzaka 44, 01-224 Warsaw, Poland
2. Institute of Physical Chemistry of the Polish Academy of Sciences, Kasprzaka 44, 01-224 Warsaw, Poland
3. Department of Chemistry, University of California, Irvine, Natural Sciences II, Irvine, California 92697-2025, United States
4. Organisch-Chemisches Institut der Universität Münster, Corrensstrasse 40, 48149 Münster, Germany