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Remote anchimeric assistance

In donor 29, the possible remote anchimeric assistance of the 6-O-acetyl group (vide infra) can also be of beneficial influence to the stereochemical outcome of the glycosylation at hand. To continue the synthesis of the guluronic add tetramer, the 1,6-anhydro-bridge in disaccharide 31 was opened, followed by selective anomeric... [Pg.102]

The stereoselectivity of 1,2-cis glycosylations is improved by anchimeric assistance of remote substituents at C-3, C-4 or C-6 in the glycosyl donors.68... [Pg.44]

See other pages where Remote anchimeric assistance is mentioned: [Pg.125]    [Pg.125]    [Pg.128]    [Pg.136]    [Pg.147]    [Pg.150]    [Pg.152]    [Pg.154]    [Pg.125]    [Pg.125]    [Pg.128]    [Pg.136]    [Pg.147]    [Pg.150]    [Pg.152]    [Pg.154]    [Pg.1108]    [Pg.13]    [Pg.45]    [Pg.735]    [Pg.301]    [Pg.175]    [Pg.110]    [Pg.155]   
See also in sourсe #XX -- [ Pg.125 , Pg.127 , Pg.128 , Pg.136 , Pg.147 , Pg.150 , Pg.152 , Pg.154 ]



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Anchimeric assistance

Remote

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