Octalanthanide Wheels Supported by p-tert-Butylsulfonylcalix[4]arene

Octalanthanide Wheels Supported by p-tert-Butylsulfonylcalix[4]arene

A cluster‐forming ligand, p‐tert‐butylsulfonylcalix[4]arene (H4L), allows the formation of lanthanide wheels whose cluster cores contain eight lanthanide ions (GdIII, SmIII, NdIII, or PrIII; shown in green in the picture) connected by L4− ions, which act as both a tetradentate and a bisbidentate μ3‐...

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Veröffentlicht in:Angewandte Chemie International Edition 2004-03, Vol.43 (14), p.1832-1835
Hauptverfasser: Kajiwara, Takashi, Wu, Hashen, Ito, Tasuku, Iki, Nobuhiko, Miyano, Sotaro
Format: Artikel
Sprache:eng
Schlagworte:
calixarenes
cluster compounds
lanthanides
macrocycles
magnetic properties
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Zusammenfassung:A cluster‐forming ligand, p‐tert‐butylsulfonylcalix[4]arene (H4L), allows the formation of lanthanide wheels whose cluster cores contain eight lanthanide ions (GdIII, SmIII, NdIII, or PrIII; shown in green in the picture) connected by L4− ions, which act as both a tetradentate and a bisbidentate μ3‐ligand, and eight bridging acetate groups. The wheels form by a “step‐by‐step” process via the mononuclear subunit {Ln(L)}−.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200353449