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ChemInform Abstract: Synthesis, Conformation and Glycosylation Reaction of Substituted 2,6- Dioxabicyclo(3.1.1)heptanes: 1,3-Anhydro-2,4-di-O-benzyl-α-L- arabinopyranose.

✍ Scribed by Y. DU; F. KONG

Book ID
112027064
Publisher
John Wiley and Sons
Year
2010
Weight
35 KB
Volume
27
Category
Article
ISSN
0931-7597

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Synthesis, conformation and glycosylatio
Synthesis, conformation and glycosylation reaction of substituted 2,6-dioxabicyclo[3.1.1]heptanes:1,3-anhydro-2,4-di-O-benzyl-α-l-arabinopyranose
✍ Yuguo Du; Fanzuo Kong 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 875 KB

The title 1,3-anhydro sugar (10) was obtained as crystals by the ring closure of 3-O-acetyl-2,4di-O-benzyl-a,[3-L-arabinopyranosyl chloride (9) which was prepared from methyl fl-Larabinopyranoside via a sequence of reactions involving initial selective 3-O-allylation. Methanolysis of 10 gave 1,3-c/s

Synthesis of substituted 2,6-dioxabicycl
Synthesis of substituted 2,6-dioxabicyclo[3.1.1]heptanes:1,3-anhydro-2,4-di-O-benzyl-6-deoxy-β-l-talopyranose
✍ Zhonghong Gan; Fanzuo Kong 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 281 KB

Removal of the isopropylidene group under mild acidic conditions gave methyl 4-O-benzyl-6-deoxy-a-L-talopyranoside (3). Treatment of the dibutylstannylene derivative of compound 3 with benzyl bromide (2 equiv) and tetrabutylammonium bromide (1 equiv) in toluene afforded the 2-O-benzyl derivative 4 i

ChemInform Abstract: Synthesis and Glyco
ChemInform Abstract: Synthesis and Glycosidic Coupling Reaction of Substituted 2,6-Dioxabicyclo[3.1.1]heptanes: 1,3-Anhydro-2-azido-4,6-di-O-benzyl-2-deoxy-β-D-mannopyranose.
✍ G. YANG; F. KONG 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 39 KB 👁 2 views

Synthesis and Glycosidic Coupling Reaction of Substituted 2,6-Dioxabicyclo[3.1.1]heptanes: 1,3-Anhydro-2-azido-4,6-di-O-benzyl-2deoxy-β-D-mannopyranose. -The title sugar (VII) is synthesized via the key intermediate (VI) starting from glucopyranoside (I). Anhydrosugar (VII) is quite reactive: ring-

Synthesis and conformation of 2,6-dioxab
Synthesis and conformation of 2,6-dioxabicyclo[3.1.1]heptanes: 1,3-anhydro-2,4,6-tri-O-benzyl-β-d-galactopyranose
✍ Fanzuo Kong; Depei Lu; Shuhua Zhou 📂 Article 📅 1990 🏛 Elsevier Science 🌐 English ⚖ 561 KB

A rationale for the study of 1,3-anhydroglycopyranoses was given previously in an article that described the synthesis of 1,3-anhydro-L-rhamnopyranose derivatives'. Earlier, 1 ,3-anhydro-D-gh.tco-2~3 and -manno-pyranose4.5 derivatives had been reported by Schuerch and collaborators. In the present c