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Catalytic B-N dehydrogenation using frustrated Lewis pairs: evidence for a chain-growth coupling mechanism

Abstract:
The catalytic dehydrogenation of ammonia- and amine-boranes by a dimethylxanthene-derived frustrated Lewis pair is described. Turnover is facilitated on a thermodynamic basis by the ready release of H2 from the weakly basic PPh2-containing system. In situ NMR studies and the isolation of intermediates from stoichiometric reactions support a mechanism initiated by B-H activation, followed by end-growth BN coupling involving the terminal NH bond of the bound BN fragment and a BH bond of the incoming borane monomer.
Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1021/jacs.6b01170

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
Role:
Author
Publisher:
American Chemical Society Publisher's website
Journal:
Journal of the American Chemical Society Journal website
Volume:
138
Issue:
10
Pages:
3306-3309
Publication date:
2016-02-26
DOI:
EISSN:
1520-5126
ISSN:
0002-7863
URN:
uuid:ee9e231a-aa90-40e8-9063-3bdc50205fb9
Source identifiers:
609327
Local pid:
pubs:609327
Paper number:
10
Language:
English
Keywords:

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