title: Synthesis of the First
abstract: A "true" allenophane with several rings and allenic bridges was synthesized. The key step in the preparation of 1 was the cyclization to a 28-membered macrocycle (52 % yield) starting from a linear molecule, which already contains three of the four allene units.
authors.affiliation: Institut für Organische Chemie und Biochemie der Universität, Gerhard-Domagk Strasse 1, D-53121 Bonn (Germany).
authors.initials: S
authors.lastname: Thorand
authors.initials: F
authors.lastname: Vögtle
authors.initials: N
authors.lastname: Krause