A protecting group-free approach to C-glycosides using the Ramberg–Bäcklund reaction |
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| Authors: | St phane Jeanmart,Richard J.K. Taylor |
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| Affiliation: | aDepartment of Chemistry, University of York, Heslington, York YO10 5DD, UK |
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| Abstract: | The one-pot conversion of unprotected monosaccharides directly into benzylsulfonylmethylene C-glycosides via a Horner–Wadsworth–Emmons/ring closure process is reported. Similar reactions giving sulfone-linked disaccharides are also discussed. One-pot transformations of unprotected monosaccharides to give styrenyl C-glycosides, by a tandem Horner–Wadsworth–Emmons/ring closure–halogenation/Ramberg–Bäcklund sequence, is then described. |
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| Keywords: | C-Glycosides C-Disaccharides Tandem reactions Ramberg–Bäcklund |
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