Photo-Thermal Haptotropism in Cyclopentadienylcobalt Complexes of Linear Phenylenes: Intercyclobutadiene Metal Migration

Photo-Thermal Haptotropism in Cyclopentadienylcobalt Complexes of Linear Phenylenes: Intercyclobutadiene Metal Migration

The CpCo‐shuffle: {CpCo} complexes of linear [3]‐ and [5]phenylene undergo a light‐induced haptotropic migration from a more strongly bound cyclobutadiene moiety to a less strongly bound (see scheme). The shift is thermally reversible and proceeds along the periphery of the intervening arene rings....

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Veröffentlicht in:Angewandte Chemie International Edition 2009-01, Vol.48 (52), p.9853-9857
Hauptverfasser: Albright, Thomas A., Dosa, Peter I., Grossmann, Tom N., Khrustalev, Victor N., Oloba, Oluwakemi A., Padilla, Robin, Paubelle, Renaud, Stanger, Amnon, Timofeeva, Tatiana V., Vollhardt, K. Peter C.
Format: Artikel
Sprache:eng
Schlagworte:
ab initio calculations
arene ligands
haptotropism
isomerization
photochemistry
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Zusammenfassung:The CpCo‐shuffle: {CpCo} complexes of linear [3]‐ and [5]phenylene undergo a light‐induced haptotropic migration from a more strongly bound cyclobutadiene moiety to a less strongly bound (see scheme). The shift is thermally reversible and proceeds along the periphery of the intervening arene rings. As such, the systems constitute photo–thermal storage systems, as well the first examples of cyclobutadiene‐to‐cyclobutadiene haptotropism.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200905088