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Synthesis of 1,2,4-tri-O-acetyl-6-deoxy-6-C-(isopropylphosphinyl)-3,5-di-O-methyl-d-glucoseptanose and 1,2,4-tri-O-acetyl-3-O-benzyl-6-C-(butylphosphinyl)-6-deoxy-5-O-methyl-d-glucoseptanose

✍ Scribed by Kuniaki Seo


Publisher
Elsevier Science
Year
1983
Tongue
English
Weight
384 KB
Volume
123
Category
Article
ISSN
0008-6215

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πŸ“œ SIMILAR VOLUMES


Synthesis of 1,2,4-tri-O-acetyl-5-deoxy-
✍ Kuniaki Seo πŸ“‚ Article πŸ“… 1983 πŸ› Elsevier Science 🌐 English βš– 297 KB

5-Dcoxy-J,2-O-isopropylidene-S-C-(methoxyphenylphosphinyl)-~-O-~~thyl-n-D-ribofuranose (4) was prepared from 1,2-0-isopropylidene-3-O-methyl-a-D-ribo-pentodialdo-1,4-furanose by an addition reaction with methyl phenylphosphinate, followed by deoxygenation of the terminal HO-$H-P group of the adduct

NMR study of methyl 3,4,6-tri-O-acetyl-2
✍ Iwona Wawer; MaΕ‚gorzata Weychert; Jan Klimkiewicz; BogusΕ‚awa Piekarska-Bartoszew πŸ“‚ Article πŸ“… 1999 πŸ› John Wiley and Sons 🌐 English βš– 117 KB πŸ‘ 1 views

Five derivatives of methyl 3,4,6-triacetyl-2-deoxy-(3@-dialkylureido)-b-D-glucopyranoside were studied by 1H and 13C, NMR spectroscopy in solutions and by 13C NMR spectroscopy in the solid state. Sterically CDCl 3 crowded substituents such as n-hexyl and cylcohexyl change the chemical shifts of H-1,