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Issue 18, 2018
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An unusual alkylidyne homologation

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The reaction of [W([triple bond, length as m-dash]CH)Br(CO)2(dcpe)] (dcpe = 1,2-bis(dicyclohexylphosphino)ethane) with tBuLi and SiCl4 affords the trichlorosilyl ligated neopentylidyne complex [W([triple bond, length as m-dash]CtBu)(SiCl3)(CO)2(dcpe)]. This slowly reacts with H2O to afford [W([triple bond, length as m-dash]CCH2tBu)Cl3(dcpe)] and ultimately H2C[double bond, length as m-dash]CHtBu via an unprecedented alkylidyne homologation in which coordinated CO is the source of the additional carbon atom with potential relevance to the Fischer–Tropsch process.

Graphical abstract: An unusual alkylidyne homologation

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Publication details

The article was received on 06 Jan 2018, accepted on 05 Feb 2018 and first published on 07 Feb 2018

Article type: Communication
DOI: 10.1039/C8CC00119G
Citation: Chem. Commun., 2018,54, 2292-2295
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    An unusual alkylidyne homologation

    Y. Han, A. F. Hill and R. Y. Kong, Chem. Commun., 2018, 54, 2292
    DOI: 10.1039/C8CC00119G

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