From the roots ofPicrorhiza scrophulariiflora, two new secoifidoid glycosides, named picrosecosides Ⅰ and Ⅱ （1, 2） have been isolated. Their structures were elucidated on the basis of chemical and spectropic evide...From the roots ofPicrorhiza scrophulariiflora, two new secoifidoid glycosides, named picrosecosides Ⅰ and Ⅱ （1, 2） have been isolated. Their structures were elucidated on the basis of chemical and spectropic evidences.展开更多
a new triterpene compound was isolated from the stems and leaves of Panax ginseng C. A. Meyer and established as 3β, 6α, 12β-trihydroxy-dammar-20(21), 24-diene-6-0-α-L-rhamnopyranosyl-(1→2)-β-D-glucopyranoside o...a new triterpene compound was isolated from the stems and leaves of Panax ginseng C. A. Meyer and established as 3β, 6α, 12β-trihydroxy-dammar-20(21), 24-diene-6-0-α-L-rhamnopyranosyl-(1→2)-β-D-glucopyranoside on the basis of spectral analysis and chemical evidence.展开更多
基金National Key Project of Scientific and Technical Supporting Programs funded by Ministry of Science & Technology of China(No.2006BAD31B05).
文摘From the roots ofPicrorhiza scrophulariiflora, two new secoifidoid glycosides, named picrosecosides Ⅰ and Ⅱ （1, 2） have been isolated. Their structures were elucidated on the basis of chemical and spectropic evidences.
文摘a new triterpene compound was isolated from the stems and leaves of Panax ginseng C. A. Meyer and established as 3β, 6α, 12β-trihydroxy-dammar-20(21), 24-diene-6-0-α-L-rhamnopyranosyl-(1→2)-β-D-glucopyranoside on the basis of spectral analysis and chemical evidence.
