Norbert Rumpf - Institute of Organic Chemistry, University of Mainz, D-55099 Mainz, Germany
Dieter Gröschl - Institute of Organic Chemistry, University of Mainz, D-55099 Mainz, Germany
Herbert Meier - Institute of Organic Chemistry, University of Mainz, D-55099 Mainz, Germany
Daniela C. Oniciu - Department of Chemistry, University of Florida, Gainesville, FL 32611-7200 U.S.A
Alan R. Katritzky - Department of Chemistry, University of Florida, Gainesville, FL 32611-7200 U.S.A