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.
Xia
Zeng-Hua
ZH
Institute of Materia Medica, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200031, China.
Xing
Wang-Xing
WX
Mao
Shi-Long
SL
Lao
Ai-Na
AN
Uzawa
Jun
J
Yoshida
Shigeo
S
Fujimoto
Yasuo
Y
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