Synthesis and geometry of methyl (methyl 4-O-acetyl-3-azido-2,3-dideoxy-α/β-d-arabino- and -α/β-d-ribo-hexopyranosid)uronates
✍ Scribed by Dorota Tuwalska; Artur Sikorski; Beata Liberek
- Book ID
- 108080493
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 220 KB
- Volume
- 343
- Category
- Article
- ISSN
- 0008-6215
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The title glycosides were synthesised from D-glUCOSe, via the common intermediate methyl 2-acetamido-4-O-benzoyld-bromo-2,3,6-trideoxy-a-D-ribohexopyranoside . \*To whom enquiries should be addressed. \*\*The overall efficiency of this procedure can be improved by using a phase-transfer process' in
Both 'H-and 13C-n.m.r. spectroscopy have been employed in structural studies of the 4,6-O-benzylidene-D-aldohexopyranosides and derivatives, including some deoxy sugars . I4 We now report i3C-n.m.r. data (Table I) for the 4,6-O-benzylidene derivatives of methyl 2-deoxy-( 2) 2-deoxy-3-O-methyl-(3),