Conversion of Ginsenoside Rb1 into Six Types of Highly Bioactive Ginsenoside Rg3 and Its Derivatives by FeCl3 Catalysis

Ginsenoside Rb1 is an important saponin of ginseng(s); however, Rb1, with 3-O- and 20-O-sugar moieties, has low bioavailability. Here, we report the derivatization of ginsenoside Rb1 to completely generate six types of highly bioactive minor ginsenoside Rg3 and its derivatives by FeCl3 catalysis, th...

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