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Glycosyl donors generation

Glycosyl Donor Generation Through Anomeric-Oxygen Exehange Reactions 453... [Pg.451]

Glycosyl Donor Generation Through Retention of the Anomeric Oxygen... [Pg.455]

Vasella et al. introduced an approach to glycoside synthesis using the glycosylidene carbene generated from the diazirine sugar as a novel type of glycosyl donor. The... [Pg.394]

Trichloroacetimidates as glycosyl donors for generation of anomeric phosphates... [Pg.77]

Different procedures have been developed to generate thiodisaccharides, based on two strategies (a) generation of a glycosylthiol 44 and reaction with an electrophilic centre on the second sugar 45, (b) replacement of an -OH of the sugar with an -SH and reaction with a glycosyl donor 46 (Fig. 22). [Pg.270]

Lichtenthaler, F. W. Sclmeideradams, T., 3,4,6-Tri-O-Benzyl-Alpha-D-Arabino-Hexopyranos-2-Ulosyl Bromide - a Versatile Glycosyl Donor for the Efficient Generation of Beta-D-Mannopyranosidic Linkages. J. Org. Chem. 1994,59, 6728-6734. [Pg.45]

The first generation of an O-unprotected glycosyl donor that could be activated based on the remote activation concept was exemplified by 2-pyridylthio p-D-glucopyranoside 1 [10], which could be easily prepared from acetobromoglucose [11]. Treatment of 1 with a variety of alcohols in the presence of mercuric nitrate in acetonitrile solution led, within a few minutes, to the corresponding O-glycosides, with isolated yields and a/p ratios varying from methanol (70 30, 95%), to 2-propanol (62 38 77%), and cyclohexanol (51 49, 75%) Scheme 2. Identical results were obtained when 2-pyrimidinylthio p-D-... [Pg.384]

See other pages where Glycosyl donors generation is mentioned: [Pg.453]    [Pg.516]    [Pg.517]    [Pg.453]    [Pg.516]    [Pg.517]    [Pg.121]    [Pg.121]    [Pg.185]    [Pg.255]    [Pg.321]    [Pg.36]    [Pg.91]    [Pg.174]    [Pg.178]    [Pg.236]    [Pg.320]    [Pg.369]    [Pg.382]    [Pg.385]    [Pg.70]    [Pg.92]    [Pg.22]    [Pg.23]    [Pg.117]    [Pg.10]    [Pg.45]    [Pg.126]    [Pg.144]    [Pg.123]    [Pg.187]    [Pg.147]    [Pg.240]    [Pg.258]    [Pg.285]    [Pg.285]    [Pg.285]    [Pg.286]    [Pg.289]    [Pg.290]    [Pg.295]    [Pg.341]    [Pg.354]    [Pg.362]    [Pg.381]    [Pg.386]   
See also in sourсe #XX -- [ Pg.453 ]



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