Synthesis and Reactivity of a Dialane-Bridged Diradical.
carbene
dialane
diradical
iminoalane
low-valent aluminum chemistry
Journal
Angewandte Chemie (International ed. in English)
ISSN: 1521-3773
Titre abrégé: Angew Chem Int Ed Engl
Pays: Germany
ID NLM: 0370543
Informations de publication
Date de publication:
28 Feb 2024
28 Feb 2024
Historique:
received:
16
01
2024
pubmed:
28
2
2024
medline:
28
2
2024
entrez:
28
2
2024
Statut:
aheadofprint
Résumé
Radicals of the lightest group 13 element, boron, are well established and observed in numerous forms. In contrast to boron, radical chemistry involving the heavier group 13 elements (aluminum, gallium, indium, and thallium) remains largely underexplored, primarily attributed to the formidable synthetic challenges associated with these elements. Herein, we report the synthesis and isolation of planar and twisted conformers of a doubly CAAC (cyclic alkyl(amino)carbene)-radical-substituted dialane. Extensive characterization through spectroscopic analyses and X-ray crystallography confirms their identity, while quantum chemical calculations support their open-shell nature and provide further insights into their electronic structures. The dialane-connected diradicals exhibit high susceptibility to oxidation, as evidenced by electrochemical measurements and reactions with o-chloranil and a variety of organic azides. This study opens a previously uncharted class of dialuminum systems to study, broadening the scope of diradical chemistry and its potential applications.
Identifiants
pubmed: 38415886
doi: 10.1002/anie.202401052
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e202401052Subventions
Organisme : Deutsche Foschungsgemeinschaft
ID : BR1149/26-1
Organisme : Alexander von Humboldt-Stiftung
Organisme : Deutsche Forschungsgemeinschaft
ID : 466954611
Organisme : Deutsche Forschungsgemeinschaft
ID : INST 186/1329-1 FUGG
Organisme : Verband der Chemischen Industrie
ID : Kekulé fellowship
Informations de copyright
© 2024 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH.
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