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Imido-alkyne coupling in titanium complexes: New insights into the alkyne hydroamination reaction

Abstract:

Titanium imido complexes [Ti(NR)(N2ArN py)(L)] (N2ArNpy = MeC(2-C 5H4N)(CH2NAr)2, Ar = 4-C 6H4-Me or 3,5-C6H3Me2) have been prepared from the corresponding bis(amide) complexes [Ti(N 2ArNpy)-(NMe2)2]. The reaction chemistry of the imido ligand has been investigated with aryl acetylenes, affording the {2 + 2} cycloaddition products [Ti(N2ArNpy){κ2-N(tBu)CH=CAr′} ] (Ar′ = Ph and 4-C6H4Me) which represent a catalytic intermediate in the anti-Markovnikov hydroamination of terminal alkynes. Reacti...

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Publication status:
Published

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Publisher copy:
10.1021/om700758v

Authors


Vujkovic, N More by this author
Maisse-Francois, A More by this author
Wadepohl, H More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
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Journal:
ORGANOMETALLICS
Volume:
26
Issue:
23
Pages:
5522-5534
Publication date:
2007-11-05
DOI:
EISSN:
1520-6041
ISSN:
0276-7333
URN:
uuid:396d7839-27e5-4f29-aeaf-d15a17ce717f
Source identifiers:
51272
Local pid:
pubs:51272
Language:
English

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