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Synthesis of the principal chain of the o-antigenic polysaccharides ofShigella flexneri. Communication 3. Synthesis of 4-o-benzoyl-3-o-(2-o-acetyl-3,4-di-o-benzoyl-α-L-rhamnopyranosyl)-1,2-o-[1-(exocyano)· ethyliden]-β-L-rhamnopyranose

✍ Scribed by N. É. Bairamova; L. V. Bakinovskii; N. K. Kochetkov

Book ID
112487366
Publisher
Springer
Year
1985
Tongue
English
Weight
655 KB
Volume
34
Category
Article
ISSN
1573-9171

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The title compound (21) was synthesized from cellobiose as a synthon of a heparin-related oligosaccharide. The per-0-benzyl and per-0-benzoyl derivatives of 1 ,6-anhydro-4-0-(6-deoxy-B-D-~~~lo-hex-5-enopyranosyl)-~-~-glucopyranose were treated with a nonsolvated borane to give a 1 :2 mixture of the