PDF herunterladen
Synlett 1996; 1996(10): 1013-1014
DOI: 10.1055/s-1996-5643
letter
© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved. This journal, including all individual contributions and illustrations published therein, is legally protected by copyright for the duration of the copyright period. Any use, exploitation or commercialization outside the narrow limits set by copyright legislation, without the publisher's consent, is illegal and liable to criminal prosecution. This applies in particular to photostat reproduction, copying, cyclostyling, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage.

A New Route to Crown Ethers by Ruthenium-Catalyzed Ring Closing Metathesis

Burkhard König* , Clemens Horn
  • *Institut für Organische Chemie der Technischen Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany, Fax: +49(531)3915388, e-mail B.Koenig@tu-bs.de
Weitere Informationen

Publikationsverlauf

Publikationsdatum:
31. Dezember 2000 (online)

  als PDF herunterladen  Lizenzen und Reprints Alle Artikel dieser Rubrik

The ruthenium-catalyzed ring closing metathesis reaction of bis-allyl ethers of podands 1a-c and 8 gives macrocyclic crown ethers in good yield at room temperature. Only 1 mol% of the ruthenium-carbene complex 2 are necessary to catalyze the reaction. Cyclic products are obtained exclusively, even at high concentrations.

cyclisation - crown ether - ruthenium catalyzed - metathesis