[1] Univ Leipzig, Fac Life Sci, Inst Biochem, Bruderstr 34, D-04103 Leipzig, Germany
[2] LMU Munchen, Dept Chem, Butenandtstr 5-13, D-81377 Munich, Germany
[3] Philipps Univ Marburg, Fachbereich Chem & Wissensch Zentrum Mat Wissensc, Hans Meerwein Str 4, D-35043 Marburg, Germany
[4] Max Planck Inst Chem Energy Convers, Stiftstr 34-36, D-45470 Mulheim, Germany
[5] Rhein Westfal TH Aachen, Inst Tech & Makromol Chem, Worringer Weg 2, D-52074 Aachen, Germany
[6] Justus Liebig Univ Giessen, Inst Organ Chem, Heinrich Buff Ring 17, D-35392 Giessen, Germany
[7] Swiss Fed Inst Technol, Lab Organ Chem, Vladimir Prelog Weg 3, CH-8093 Zurich, Switzerland