Affiliation: | 1. Institute of Organic Chemistry and Biochemistry, Academy of Science of the Czech Republic, Gilead Sciences & IOCB Research Center, Flemingovo nám. 2, 16610 Prague 6 (Czech Republic) http://www.uochb.cas.cz/hocekgroup;2. Institut für Organische Chemie, Technische Universit?t Braunschweig, Hagenring 30, 38106 Braunschweig (Germany) http://www.oc.tu‐bs.de/dickschat/startseite_de.html;3. Department of Organic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 12843 Prague 2 (Czech Republic) |