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Branched-chain sugars from enones

Branched-chain sugars] from enones, 217 from enopyranosides, 225 from expoxides, 216 Eschenmoser rearrangement, 228, 236, 251... [Pg.326]

As with epoxides, carbanions can add in a 1,4 fashion to enones or nitrosugars. Nitromethane anion has been used [64], Dithiane anion has been successfully used in the addition to nitroolefins [65] and to enones [66], Accordingly, C-5 branched-chain glucose derivatives 47 and 48 have been prepared from nitroolefin 46 (Scheme 20) [67,68], Sugar-derived enones have been also used as acceptors in free radical reactions to trap alkyl radicals as well as anomeric radicals (see Schemes 29 and 30). [Pg.219]

See other pages where Branched-chain sugars from enones is mentioned: [Pg.209]    [Pg.217]    [Pg.442]    [Pg.446]    [Pg.1045]    [Pg.442]    [Pg.446]    [Pg.115]    [Pg.91]    [Pg.152]    [Pg.131]    [Pg.323]   
See also in sourсe #XX -- [ Pg.217 ]



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Branched-chain sugars

Chain branching

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Sugars branched

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