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Direct glycosylation with anomeric hydroxy sugars by activation with 3-fluorophthalic anhydride and trifluoromethanesulfonic anhydride

✍ Scribed by Ju Yuel Baek; Bo-Young Lee; Rita Pal; Won-Yong Lee; Kwan Soo Kim

Book ID: 104098345
Publisher: Elsevier Science
Year: 2010
Tongue: French
Weight: 546 KB
Volume: 51
Category: Article
ISSN: 0040-4039
DOI: 10.1016/j.tetlet.2010.09.064

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✦ Synopsis

An efficient and direct one-pot glycosylation method using anomeric hydroxy sugars as glycosyl donors, employing 3-fluorophthalic anhydride and triflic anhydride as activating agents, has been developed. The present glycosylation utilizing 3-fluorophthalic anhydride resulted in few to no undesired self-condensed esters than the glycosylation using phthalic anhydride. Intermediates in the present glycosylation were identified by an NMR study.

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