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Glycosides from ginseng roots

โœ Scribed by G.B. Elyakov; L.I. Strigina; N.I. Uvarova; V.E. Vaskovsky; A.K. Dzizenko; N.K. Kochetkov

Publisher
Elsevier Science
Year
1964
Tongue
French
Weight
328 KB
Volume
5
Category
Article
ISSN
0040-4039

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Glycosylation of the dammar-24-ene-3,12/3,20(S)-triols with 2,3,4,6-tetra-Oacetyl-ar-D-glucopyranosyl bromide (A) in the presence of silver oxide in dichloromethane gives a mixture of the acetylated 3-, 12-, 20-, 3,12-di-, and 3,20-di-@3-Dglucopyranosyl derivatives in a total yield of 83-84.5%. Unde