自人参叶中得到的一对差向异构体的分离与鉴定

The Isolation and Identification of a Pair of Epimers from Leaves of Panax ginseng C.A.Meyer

自人参叶中得到的一对差向异构体的分离与鉴定窦德强１）陈英杰（沈阳药科大学植物化学教研室，沈阳１１００１５）竹田忠（共立药科大学生药教研室，日本）已从人参叶中得到多种化学成分〔１～３〕，进一步对人参叶中化学成分进行分离，得到保留时间相差１０ｍｉｎ的两...

A pair of epimers was isolated from the leaves of Panax ginseng C.A.Meyer and were characterized as ginsenoside Ⅰ b(1) and majoroside F 2(2) respectively on the basis of spectral analysis and chemical evidence.Among them,compound (2)was the first reported known compound from the title plant,compound(1) was a new compound.