Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
ALKALINE CLEAVAGE OF GINSENOSIDES
Yingjie Chen, Mitsuhiko Nose, Yukio Ogihara
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Keywords: Ginsenosides, 20 (S) -protopanaxatriol, 20 (S) -ginsenoside-Rh1, 20 (S) -ginsenoside-Rg2, 20 (S) -ginsenoside-Re, glycosidic bond
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1987 Volume 35 Issue 4 Pages 1653-1655

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Abstract

The genuine sapogenin 20 (S) -protopanaxatriol (1) and its corresponding prosapogenin 20 (S) -ginsenoside-Rh1 (3) were prepared by direct treatment of the peracetate of 20 (S) -ginsenoside-Rg2 in an alcoholic alkaline solution. Two kinds of alkaline conditions were compared.

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© The Pharmaceutical Society of Japan
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