Efficient Glycosylation Using In(OTf)3 as a Lewis Acid: Activation of <i>N</i>-Phenyltrifluoroacetimidate or Thioglycosides with Halogenated Reagents or PhIO
Regina SalmasanDepartment of Chemistry, Graduate School of Science, Osaka UniversityYoshiyuki ManabeDepartment of Chemistry, Graduate School of Science, Osaka UniversityYuriko KitawakiDepartment of Chemistry, Graduate School of Science, Osaka UniversityTsung‐Che ChangDepartment of Chemistry, Graduate School of Science, Osaka UniversityKoichi FukaseDepartment of Chemistry, Graduate School of Science, Osaka University
2014en
ABI
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Abstract In(OTf)3 efficiently activated N-phenyltrifluoroacetimidate and In(OTf)3 in combination with various halogenated reagents or PhIO promoted glycosylation using thioglycoside in good yields. The combination with iodine interhalogens (e.g., ICl or IBr) effectively promoted α-sialylation.
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