Table of Contents
Journal of Crystallography
Volume 2013, Article ID 910172, 4 pages
Research Article

The Use of a Flexible Calix[4]arene Template to Stabilize a Cyclooctatetraindiyl Samarium-Potassium Complex

1Institut de Chimie Moléculaire et Biologique, Ecole Polytechnique Fédérale de Lausanne, EPFL-BCH, CH-1015 Lausanne, Switzerland
2Institut Parisien de Chimie Moléculaire (UMR 7201-CNRS), Université Pierre et Marie Curie, Case Courrier 42, 4 Place Jussieu, 75252 Paris Cedex 05, France
3Laboratoire de Cristallographie et RMN Biologiques (UMR 8015-CNRS), Faculté de Pharmacie, Université Paris Descartes, 4 Avenue de l'Observatoire, 75006 Paris, France

Received 13 May 2013; Accepted 3 October 2013

Academic Editors: M. Akkurt, J. Jasinski, and L. MacGillivray

Copyright © 2013 Geoffroy Guillemot et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A sandwich compound of cyclooctatetraendiyl (COT)2− samarium-potassium was synthesized and analyzed using a flexible calix[4]arene dianion. This compound, [p-tBu-calix[4]-(OMe)2(O)2]arenediyl-samarium-(η8-cyclooctatetraendiyl)-potassium (tetrahydrofurane)3, is constructed as a linear sequence L-Sm- -K- , where L, , and are specific ligands with L = O,O-dimethyl-calix[4]arene2−, = cyclo-octatetraendiyl, and = tetrahydrofurane templates.