First-Generation Tethered [2.2]Metacyclophanes-Prototypes of Molecular Devices

First-Generation Tethered [2.2]Metacyclophanes-Prototypes of Molecular Devices

The tether length determines the conformation of [2.2]metacyclophane 1. The cyclophane with the 13‐atom tether (n = 11) exists at room temperature as an equilibrium mixture of syn and anti isomers (ca. 5.9:1), whereas the next lower homologue (n = 10) in this series adopts only the syn conformation...

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Veröffentlicht in:Angewandte Chemie International Edition 1996-10, Vol.35 (18), p.2121-2123
Hauptverfasser: Bodwell, Graham J., Houghton, Tom J., Kennedy, Jason W. J., Mannion, Michael R.
Format: Artikel
Sprache:eng
Schlagworte:
cyclophanes
isomerizations
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Beschreibung
Zusammenfassung:The tether length determines the conformation of [2.2]metacyclophane 1. The cyclophane with the 13‐atom tether (n = 11) exists at room temperature as an equilibrium mixture of syn and anti isomers (ca. 5.9:1), whereas the next lower homologue (n = 10) in this series adopts only the syn conformation and the next higher homologue (n = 12) solely the anti conformation.
ISSN:0570-0833
1521-3773
DOI:10.1002/anie.199621211