Hydrocarbon oxidations using iron metal-organic frameworks

High-valent iron-oxo intermediates are implicated in a variety of oxidative enzymes, many of which are capable of the selective partial oxidn. of strong aliph. and arom. C-H bonds. However, mol. iron-oxo species often lack stability, decaying via pathways such as dimerization and self-oxidn., while heterogeneous analogs are often difficult to characterize and modify. These challenges may be mitigated in metal-org. frameworks featuring well-defined and site-isolated iron centers. Herein, we report the hydrocarbon oxidn. activity of the metal-org. framework Fe2(dobdc) and its magnesium-dild. analogs, using nitrous oxide as the terminal oxidant. Although the intermediate has not been isolated, reactivity studies along with detailed characterization of decay products indicate that the active oxidant is likely an iron(IV)-oxo species.

Published in:
Abstracts of Papers, 248th ACS National Meeting & Exposition, San Francisco, CA, United States, August 10-14, 2014, INOR-437
American Chemical Society

 Record created 2017-02-23, last modified 2018-09-13

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