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A modular "toolbox" approach to flexible branched multimacrocyclic hosts as precursors for multiply interlocked architectures |
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| Authors: | Baytekin Bilge Zhu Sascha S Brusilowskij Boris Illigen Jens Ranta Jenni Huuskonen Juhani Russo Luca Rissanen Kari Kaufmann Lena Schalley Christoph A |
| Institution: | 1. Institut für Chemie und Biochemie, Freie Universit?t Berlin, Takustra?e 3, 14195 Berlin (Germany), Fax: (+49)?30‐838‐55817;2. Present address: Kekulé‐Institut für Organische Chemie und Biochemie, Universit?t Bonn, Gerhard‐Domagk‐Stra?e 1, 53121 Bonn (Germany);3. Nanoscience Center, Department of Chemistry, University of Jyv?skyl?, P. O. Box 35, 40014 Jyv?skyl? (Finland);4. Present address: School of Natural Sciences—Chemistry, Newcastle University, Newcastle upon Tyne, NE1 7RU (United Kingdom) |
| Abstract: | Tetralactam macrocycles can be functionalized by a variety of cross-coupling reactions. A modular "toolbox" strategy is presented that allows 1) several tetralactam macrocycles to be covalently connected with each other or with a central spacer, 2) the macrocycles to be substituted with or connected to different chromophores, and 3) metal-coordination sites to be attached to the macrocycles. With this approach a series of different oligo-macrocyclic hosts was obtained with great structural diversity and enormous potential for further functionalization. Rotaxanes made on the basis of these macrocycles have been synthesized to demonstrate their utility in building more complex supramolecular architectures. |
| Keywords: | coordination complexes cross‐coupling interlocked molecules supramolecular chemistry tetralactam macrocycles |
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