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Aromatic versus Benzylic CH Bond Activation of Alkylaromatics by a Transient eta(2)-Cyclopropene Complex

Abstract:

The methyl cyclopropyl hydrotris(3,5-dimethylpyrazolyl)borate complex TpMe2NbMe(c-C3H5)(MeCCMe) reacts smoothly with different alkylaromatics XH at 308 K to yield methane and TpMe2NbX(c- C3H5)(MeCCMe). NMR data show that for mesitylene and 1,4-dimethylbenzene, selective benzylic CH bond activation is observed, giving the benzyl cyclopropyl complexes TpMe2Nb(CH2Ar′)(c- C3H5)(MeCCMe) (Ar′ = 3,5-Me2C 6H3, 4-MeC6H4, respectively). Selective arene CH bond activation is observed with 1,2-dimethylbe...

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Publication status:
Published

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Publisher copy:
10.1021/om200199e

Authors


Vendier, L More by this author
Etienne, M More by this author
Maseras, F More by this author
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Journal:
ORGANOMETALLICS
Volume:
30
Issue:
15
Pages:
3999-4007
Publication date:
2011-08-08
DOI:
EISSN:
1520-6041
ISSN:
0276-7333
URN:
uuid:8b3ef20d-f753-4132-abee-7aa9c971ad8f
Source identifiers:
172163
Local pid:
pubs:172163
Language:
English

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