Pregnane glycosides from the stems of Marsdenia tenacissima.
Four new pregnane glycosides, named marstenacissides A (1), B (2), C (3), and D (4), have been isolated from the stems of Marsdenia tenacissima. Their structures were established on the basis of chemical and spectral methods.
Institute of Materia Medica, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200031, China.
Zeng-Hua
ZH
Xia
Wang-Xing
WX
Xing
Shi-Long
SL
Mao
Ai-Na
AN
Lao
Jun
J
Uzawa
Shigeo
S
Yoshida
Yasuo
Y
Fujimoto
D006027:Glycosides / Q000737:chemistry / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D031101:Marsdenia / Q000737:chemistry*; D018547:Plant Stems / Q000737:chemistry*; D011278:Pregnanes / Q000737:chemistry*; D016339:Spectrometry, Mass, Fast Atom Bombardment
D006027:Glycosides; D011278:Pregnanes