Diborane(4) Azides: Surprisingly Stable Sources of Transient Iminoboranes.
azides
boron nitride
diazadiboretidine
diborane(4)
nitrenes
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:
01 Sep 2020
01 Sep 2020
Historique:
received:
28
02
2020
revised:
06
04
2020
pubmed:
10
4
2020
medline:
10
4
2020
entrez:
10
4
2020
Statut:
ppublish
Résumé
Herein we describe the first examples of isolable electron-precise diboranes(4) that bear azide moieties: the acyclic 1,2-diazido-1,2-bis(dimethylamino)diborane(4) and the cyclic 1,4-diaryl-2,3-diazido-1,4-diaza-2,3-diborinines (aryl=mesityl, 2,6-xylyl, 4-tolyl). The reported examples are not only stable enough to be observed and isolated (putative transient diborane(4) azides previously reported by our group spontaneously decompose even below room temperature), but some of them are even robust enough to undergo controlled pyrolysis without explosive decomposition at temperatures well above 100 °C. In two cases, the controlled pyrolysis allows the isolation of complex diazaboretidines, which are the apparent dimerization products of endocyclic boryl-iminoboranes.
Identifiants
pubmed: 32270577
doi: 10.1002/anie.202003050
pmc: PMC7497274
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
15480-15486Subventions
Organisme : Deutsche Forschungsgemeinschaft
Organisme : Alexander von Humboldt-Stiftung
Organisme : Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Informations de copyright
© 2020 The Authors. Published by Wiley-VCH Verlag GmbH & Co. KGaA.
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