Steroids 2015-01-01

New polyoxypregnane glycosides from the roots of Marsdenia tenacissima.

Xu Pang, Li-Ping Kang, He-Shui Yu, Yang Zhao, Li-Feng Han, Jie Zhang, Cheng-Qi Xiong, Li-Xia Zhang, Li-Yan Yu, Bai-Ping Ma

Index: Steroids 93 , 68-76, (2015)

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Abstract

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. Copyright © 2014 Elsevier Inc. All rights reserved.