Regioselective Synthesis of Difluorinated C-Furanosides Involving a Debenzylative Cycloetherification

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Résumé

A highly regioselective synthesis of valuable gem-difluorinated C-furanosides from unprotected aldoses via a debenzylative cycloetherification (DBCE) reaction induced by diethylaminosulfur trifluoride is descibed. The scope and limitations of this DBCE reaction are described using a series of commercially available pentoses and hexoses to afford, without selective protection/deprotection sequences, the corresponding gem-difluorinated C-furanosides in moderate to good yields.

langue originaleAnglais
Pages (de - à)5562-5566
Nombre de pages5
journalOrganic Letters
Volume21
Numéro de publication14
Les DOIs
Etat de la publicationPublié - 5 juil. 2019

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