Activation of C−H Bonds of Arenes:  Selectivity and Reactivity in Bis(pyridyl) Platinum(II) Complexes

The reaction of [PtMe2(NN)] and B(C6F5)3/H2O in CF3CH2OH with arenes Ar−H gives [PtAr{HOB(C6F5)3}(LL)] if the bis(pyridyl) ligand NN forms a six-membered, but not five-membered, chelate ring; methyl-substituted arenes give selectivity for metalation of meta > para ≫ ortho, but methoxy-substituted...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2005-10, Vol.127 (41), p.14196-14197
Main Authors: Zhang, Fenbao, Kirby, Christopher W, Hairsine, Douglas W, Jennings, Michael C, Puddephatt, Richard J
Format: Article
Language:English
Subjects:
Chemical reactivity
Chemistry
Crystallography, X-Ray
Exact sciences and technology
Models, Molecular
Molecular Structure
Organic chemistry
Organometallic Compounds - chemical synthesis
Organometallic Compounds - chemistry
Platinum - chemistry
Pyridines - chemistry
Reactivity and mechanisms
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Summary:The reaction of [PtMe2(NN)] and B(C6F5)3/H2O in CF3CH2OH with arenes Ar−H gives [PtAr{HOB(C6F5)3}(LL)] if the bis(pyridyl) ligand NN forms a six-membered, but not five-membered, chelate ring; methyl-substituted arenes give selectivity for metalation of meta > para ≫ ortho, but methoxy-substituted arenes give ortho ≫ meta, para.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja055436z