A Molecular Knot with Twelve Amide Groups-One-Step Synthesis, Crystal Structure, Chirality Extracts were presented during a talk at the Universität Düsseldorf on January 11, 2000. We thank Dr. Christian Seel and Dr. Rudolf Hartmann for suggestions and measurements.
Safarowsky
O
Kekulé-Institut für Organische Chemie und Biochemie der Universität Bonn Gerhard-Domagk-Strasse 1, 53121 Bonn (Germany).
Nieger
M
Fröhlich
R
Vögtle
F