Structures of Transition States in Metal‐Mediated O 2 ‐Activation Reactions | Zendy

Lanci Michael P. | Zendy; Brinkley David W. | Zendy; Stone Kristie L. | Zendy; Smirnov Valeriy V. | Zendy; Roth Justine P. | Zendy

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Structures of Transition States in Metal‐Mediated O 2 ‐Activation Reactions

Author(s) -

Lanci Michael P.,

Brinkley David W.,

Stone Kristie L.,

Smirnov Valeriy V.,

Roth Justine P.

Publication year - 2005

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200502096

Subject(s) - chemistry , kinetic isotope effect , intermolecular force , isotope , mechanism (biology) , transition metal , reaction rate constant , kinetic energy , metal , transition state , computational chemistry , molecule , catalysis , physics , organic chemistry , kinetics , atomic physics , nuclear physics , quantum mechanics , deuterium

Kinetic isotope effects (KIEs) have been used to probe the mechanism of the binding of O 2 to classic inorganic compounds. The intermolecular 18 O KIEs decrease with increasing rate constants, and the correlation of the KIEs with the log k O 2values establishes that the same oxidative addition mechanism is operative in all cases, but with marked differences in the transition‐state structure (see figure).

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