... a Department of Organic Chemistry, Institute of Chemical Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic; e-mail: 1 kysilkao@vscht.cz, 2 rybackom@vscht.cz, 3 skalicka@vscht.cz, 4 kvicalaj ... Collect. ... 2008 Institute of Organic Chemistry and Biochemistry doi ...