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N-Heterocyclic carbene adducts of the heavier group 15 tribromides. Normal to abnormal isomerism and bromide ion abstraction

Abstract:

The reactivity of the heavier group 15 tribromides, SbBr3 and BiBr3, towards 1,3-bis(2,6-diisopropylphenyl)-imidazol-2-ylidene (IPr) is described. These reactions quantitatively afford Lewis acid-base adducts, (IPr)EBr3 (E = Sb 1; Bi 2), which readily react with AlBr3 yielding cationic species [(IPr)EBr2](+) (E = Sb 3; Bi 4). Under thermal treatment, the N-heterocyclic carbene ligands in 1 and 2 will readily isomerise to afford the abnormally-bonded (or mesoionic) complexes (aIPr)EBr3 (E = Sb...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1039/c7dt02431b

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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Inorganic Chemistry
Role:
Author
More by this author
Institution:
University of Oxford
Oxford college:
Lady Margaret Hall
Role:
Author
Publisher:
Royal Society of Chemistry Publisher's website
Journal:
Dalton Transactions Journal website
Volume:
46
Issue:
36
Pages:
12053-12066
Publication date:
2017-08-02
Acceptance date:
2017-07-24
DOI:
ISSN:
1477-9234
Source identifiers:
713359
Language:
English
Pubs id:
pubs:713359
UUID:
uuid:b8544e88-d958-4f3f-8c60-a416719add0c
Local pid:
pubs:713359
Deposit date:
2017-08-11

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