A novel approach to the stereoselective synthesis of β-d-mannopyranosides
✍ Scribed by Sung-Kee Chung; Kyu-Hwan Park
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- French
- Weight
- 58 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0040-4039
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✦ Synopsis
A non-covalent version of the intramolecular aglycon delivery methodology has been demonstrated for the stereoselective formation of b-D-mannopyranoside in the presence of lanthanide(III) triflate.
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Low temperature mannosylation of glycosyl acceptors under the agency of S-(4-methoxyphenyl) benzenethiosulfinate (MPBT) and trifluoromethanesulfonic anhydride (Tf 2 O) with p-methoxyphenyl 2-azido-3-O-benzyl-4,6-O-benzylidene-2-deoxy-1thio-a-D-mannopyranoside, readily available from D-mannosamine hy
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