Photochemical Synthesis of a Ladder Diborole: A New Boron-Containing Conjugate Material

Photochemical Synthesis of a Ladder Diborole: A New Boron-Containing Conjugate Material

Climbing the ladder: Reductive cyclization of alkynyl haloboranes lead to the bis‐benzocycloborabutylidene rather than the expected ladder diborole, despite the former being much less thermodynamically favored. Photochemical conversion to the ladder diborole was, however, quite facile upon irradiati...

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Veröffentlicht in:Angewandte Chemie International Edition 2012-08, Vol.51 (34), p.8546-8550
Hauptverfasser: Araneda, Juan F., Neue, Benedikt, Piers, Warren E., Parvez, Masood
Format: Artikel
Sprache:eng
Schlagworte:
boroles
Boron
boron materials
Conjugates
Conversion
DFT calculations
Irradiation
ladder compounds
Ladders
Photochemical
Photochemicals
photoisomerization
Radiation
Synthesis
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Beschreibung
Zusammenfassung:Climbing the ladder: Reductive cyclization of alkynyl haloboranes lead to the bis‐benzocycloborabutylidene rather than the expected ladder diborole, despite the former being much less thermodynamically favored. Photochemical conversion to the ladder diborole was, however, quite facile upon irradiation at 254 nm.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201204367