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Cationic iridium complexes of the Xantphos ligand. Flexible coordination modes and the isolation of the hydride insertion product with an alkene

Abstract:

Reaction of the Ir(I)-Xantphos complex [Ir(κ2-Xantphos) (COD)][BArF4] (Xantphos = 4,5-bis(diphenylphosphino)-9,9- dimethylxanthene, ArF = C6H3(CF 3)2) with H2 in acetone or CH 2Cl2/MeCN affords the Ir(III)-hydrido complexes [Ir(κ3-Xantphos)(H)2(L)][BArF4], L = acetone or MeCN, whereas in non-coordinating CH 2Cl2 solvent dimeric [Ir(κ3-Xantphos)(H) (μ-H)]2[BArF4]2 is formed. A common intermediate in these reactions that invokes a (σ, η2-C8H13) ligand is reported. Addition of excess tert-butyle...

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Publication status:
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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Inorganic Chemistry
Role:
Author
Journal:
JOURNAL OF ORGANOMETALLIC CHEMISTRY More from this journal
Volume:
696
Issue:
17
Pages:
2870-2876
Publication date:
2011-08-15
DOI:
ISSN:
0022-328X
Language:
English
Keywords:
Pubs id:
pubs:167608
UUID:
uuid:23bea15c-d8bb-428c-8a15-6196c4eaf52b
Local pid:
pubs:167608
Source identifiers:
167608
Deposit date:
2012-12-19

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