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Issue 13, 2019
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Conversion of methane to ethylene using an Ir complex and phosphorus ylide as a methylene transfer reagent

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Abstract

Cp*(Me3P)Ir(CH3)(OTf), a complex known to reversibly activate CH4 and other hydrocarbons under mild conditions, reacts with the phosphorus ylide H2CPPh3 in THF to afford two major species [Cp*(Me3P)(Ph3P)Ir(CH2CH3)][OTf] and [Cp*(Me3P)Ir(H)(η2-CH2CH2)][OTf]. Insertion of the ylide methylene group can also occur with Cp*(Me3P)Ir(Ph)(OTf) to afford the benzyl [Cp*(Me3P)(Ph3P)Ir(CH2Ph)][OTf]. Theoretical studies suggest the intermediacy of an Ir(III)[double bond, length as m-dash]CH2 species.

Graphical abstract: Conversion of methane to ethylene using an Ir complex and phosphorus ylide as a methylene transfer reagent

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Article information


Submitted
02 Nov 2018
Accepted
28 Dec 2018
First published
09 Jan 2019

Chem. Commun., 2019,55, 1927-1930
Article type
Communication

Conversion of methane to ethylene using an Ir complex and phosphorus ylide as a methylene transfer reagent

P. Zatsepin, S. Ahn, B. Pudasaini, M. R. Gau, M. Baik and D. J. Mindiola, Chem. Commun., 2019, 55, 1927
DOI: 10.1039/C8CC08761J

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