• Catalytic (asymmetric) methylene transfer to aldehydes

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    2010

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    Piccinini, S. A. Kavanagh, P. B. Connon and S. J. Connon, Catalytic (asymmetric) methylene transfer to aldehydes, Organic Letters, 12, 3, 2010, 608-611

    Abstract

    An investigation into the poor activity of sulfides as catalysts for sulfonium-ylide-mediated methylene transfer to aldehydes has indicated that ylide formation is the problematic catalytic cycle step. Alkylation with traditional electrophiles does not proceed with sufficient efficiency to allow the sulfide to be used catalytically. Methyl triflate rapidly alkylates cyclic thiolanes under mild conditions, allowing their use in efficient aldehyde epoxidation reactions (in conjunction with phosphazene bases) at loadings as low as 10 mol%.

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    Highlighted in Synfacts (2010, 349).

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    http://hdl.handle.net/2262/61590

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    Chemistry (Scholarly Publications)
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    Keywords

    sulfonium-ylide-mediated methylene transfer to aldehydes, Chemistry

    Sponsor: Science Foundation Ireland (SFI)

    Author's Homepage: http://people.tcd.ie/connons

    Author: CONNON, STEPHEN

    Author: KAVANAGH, SARAH

    Type of material: Journal Article