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

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Title: Mechanism of Reductive Elimination of Methyl Iodide from a Novel Gold(III)−Monomethyl Complex.
Authors: Valerie J. Scott1, Jay A. Labinger1, John E. Bercaw1
Source: Organometallics. Sep2010, Vol. 29 Issue 18, p4090-4096. 7p.
Subjects: Iodides, Methyl groups, Metal complexes, Gold, Oxidation, Nucleophilic reactions, Chemical reduction
Abstract: Oxidation of (Idipp)AuMe (Idipp = 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene) with I2gives a monomethyl Au(III) complex, (Idipp)AuI2Me, 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−. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:Oxidation of (Idipp)AuMe (Idipp = 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene) with I2gives a monomethyl Au(III) complex, (Idipp)AuI2Me, 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−. [ABSTRACT FROM AUTHOR]
ISSN:02767333
DOI:10.1021/om1006566