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Published September 27, 2010 | public
Journal Article

Mechanism of Reductive Elimination of Methyl Iodide from a Novel Gold(III)−Monomethyl Complex


Oxidation of (Idipp)AuMe (Idipp = 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene) with I_2 gives a monomethyl Au(III) complex, (Idipp)AuI_2Me, which decomposes cleanly to MeI and (Idipp)AuI. Kinetics experiments show that this transformation occurs primarily via three-coordinate, cationic [(Idipp)AuIMe]^+, which undergoes intramolecular reductive elimination rather than nucleophilic attack by external I^−.

Additional Information

© 2010 American Chemical Society. Received July 6, 2010. Publication Date (Web): August 24, 2010. This research was funded by BP through the Methane Conversion Cooperative (MC2) program. We thank David VanderVelde for help with NMR experiments, Mona Shahgholi for help with MS experiments, and Larry Henling and Michael Day for crystallography. The Bruker KAPPA APEXII X-ray diffractometer was purchased via an NSF CRIF:MU award to the California Institute of Technology, CHE- 0639094.

Additional details

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October 20, 2023