Journal
STEROIDS
Volume 93, Issue -, Pages 68-76Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.steroids.2014.11.004
Keywords
Marsdenia tenacissima; Asclepiadaceae; Polyoxypregnane glycosides; Marstenacissides
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For the first time, a systematic phytochemical study was performed on the roots of Marsdenia tenacissima. Finally, sixteen new polyoxypregnane glycosides, marstenacissides A1-A7 (1-7) and marstenacissides B1-B9 (8-16), were isolated from M. tenacissima roots. The structures of these new compounds were established by various spectroscopic techniques, including 1D and 2D NMR spectroscopy and mass spectrometry. (C) 2014 Elsevier Inc. All rights reserved.
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