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1-Thio-1,2- O -isopropylidene Acetals: Novel Precursors for the Synthesis of Complex C -Glycosides

✍ Scribed by Khan, Noshena; Cheng, Xuhong; Mootoo, David R.


Book ID
127376980
Publisher
American Chemical Society
Year
1999
Tongue
English
Weight
92 KB
Volume
121
Category
Article
ISSN
0002-7863

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Highly Ξ²-stereoselective glycosylation b
✍ Kazunobu Toshima; Yuko Nozaki; Satsuki Mukaiyama; Kuniaki Tatsuta πŸ“‚ Article πŸ“… 1992 πŸ› Elsevier Science 🌐 French βš– 236 KB

## Gycosy1ation.r of lhe I-O-aceryl-2,6-anhydro3-thio sugar 3 with alcohols in the presence of several Lewis acids in CH2Cl2 proceeded smoothly to give the corresponding &Cl-glycosides with high srereocontrol in high yields. and the selectivity of the gIycosylaLon was highly independent on Lewis a