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Studies towards the functionalization of light alkanes: Facile C-H bond activation by a neutral Pt(II) alkyl complex

Scollard, John D. and Labinger, Jay A. and Bercaw, John E. (2001) Studies towards the functionalization of light alkanes: Facile C-H bond activation by a neutral Pt(II) alkyl complex. Abstracts of Papers of the American Chemical Society, 221 . INOR 85. ISSN 0065-7727 . https://resolver.caltech.edu/CaltechAUTHORS:20140723-074041789

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Abstract

Recently our group and the Tilset group reported the activation of R-H bonds by electrophilic platinum cations of the type [(N-N)PtMe]+ (N-N= α-diimine) to generate [(N-N)PtR]+ and methane, a model for the initial step in the so-called Shilov system. The next step involves the oxidation of the resulting Pt(II) alkyl complex. Unfortunately, cationic Pt(II) alkyls are incompatible with the mild oxidizing agents necessary for catalytic turnover. Therefore, a neutral Pt(II) complex which could activate C-H bonds was desirable. The activation of C-H bonds by a neutral Pt(II) complex was achieved by replacing the a-diimine ancillary ligands with mono-anionic X-L type ligands. The addition of pyrrole-2- imines to [(SMe_2)PtMe_2]_2 in benzene results in the formation of a Pt(II) phenyl complex concomitant with evolution of methane (eq. 1). The scope and limitations of the C-H activation step and the subsequent oxidation chemistry will be discussed.


Item Type:Article
ORCID:
AuthorORCID
Labinger, Jay A.0000-0002-1942-9232
Additional Information:© 2001 American Chemical Society.
Record Number:CaltechAUTHORS:20140723-074041789
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140723-074041789
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:47410
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:23 Jul 2014 15:52
Last Modified:03 Oct 2019 06:53

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