Quantum mechanical study of the alkoxide-independent pathway of reductive elimination of C–O from palladium (p-cyanophenyl) neopentoxide complex

Quantum mechanical study of the alkoxide-independent pathway of reductive elimination of C–O... In this study the alkoxide-independent pathway of reductive elimination of C–O from palladium (p-cyanophenyl) neopentoxide complex in THF at 47 °C was investigated theoretically by use of density functional theory and the solvent polarized continuum model. On the basis of experimental results a two-pathway mechanism had been proposed: a concerted process (path a) and a two-step process (path b) initiated by inner-sphere attack of the alkoxide ligand on the ipso-carbon atom of the palladium-bound aryl group (step 1) then Pd–C heterolysis to form p-neopentoxybenzonitrile (step 2). The activation energies of the two pathways were calculated by use of the quantum mechanical approach and compared with each other and with experimental results. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Quantum mechanical study of the alkoxide-independent pathway of reductive elimination of C–O from palladium (p-cyanophenyl) neopentoxide complex

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Publisher
Springer Netherlands
Copyright
Copyright © 2014 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-014-1640-7
Publisher site
See Article on Publisher Site

Abstract

In this study the alkoxide-independent pathway of reductive elimination of C–O from palladium (p-cyanophenyl) neopentoxide complex in THF at 47 °C was investigated theoretically by use of density functional theory and the solvent polarized continuum model. On the basis of experimental results a two-pathway mechanism had been proposed: a concerted process (path a) and a two-step process (path b) initiated by inner-sphere attack of the alkoxide ligand on the ipso-carbon atom of the palladium-bound aryl group (step 1) then Pd–C heterolysis to form p-neopentoxybenzonitrile (step 2). The activation energies of the two pathways were calculated by use of the quantum mechanical approach and compared with each other and with experimental results.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: May 6, 2014

References

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