title: 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.
authors.affiliation: Kekulé-Institut für Organische Chemie und Biochemie der Universität Bonn Gerhard-Domagk-Strasse 1, 53121 Bonn (Germany).
authors.initials: O
authors.lastname: Safarowsky
authors.initials: M
authors.lastname: Nieger
authors.initials: R
authors.lastname: Fröhlich
authors.initials: F
authors.lastname: Vögtle