Wittig reaction of glycosyl phosphonium salts: a stereoselective route to C-disaccharides and C, O-trisaccharides

C-Disaccharides and C, O-trisaccharides, with a quaternary anomeric center, were prepared in good yields and excellent stereoselectivity by a route involving the Wittig reaction of glycosyl phosphonium salts and hydrogenation or glycosidation of exo-glycals as key steps. C-Disaccharides and C, O-tri...

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Bibliographic Details
Published inTetrahedron letters Vol. 44; no. 43; pp. 7985 - 7988
Main Authors Colinas, Pedro A, Ponzinibbio, Agustı́n, Lieberknecht, Albrecht, Bravo, Rodolfo D
Format Journal Article
LanguageEnglish
Published OXFORD Elsevier Ltd 20.10.2003
Elsevier
Subjects
Chemistry
Chemistry, Organic
Physical Sciences
Science & Technology
OLEFINATED SUGARS
LINKED DISACCHARIDES
GLYCOSIDATIONS
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Summary:C-Disaccharides and C, O-trisaccharides, with a quaternary anomeric center, were prepared in good yields and excellent stereoselectivity by a route involving the Wittig reaction of glycosyl phosphonium salts and hydrogenation or glycosidation of exo-glycals as key steps. C-Disaccharides and C, O-trisaccharides, with a quaternary anomeric center, were prepared in good yields and excellent stereoselectivity by a route involving the Wittig reaction of glycosyl phosphonium salts and hydrogenation or glycosidation of exo-glycals as key steps.
ISSN:0040-4039
1873-3581
DOI:10.1016/j.tetlet.2003.08.117