Structural determination of two new steroidal saponins from Smilax china.
Two new steroidal saponins (1 and 2) were isolated from the BuOH fraction of the 70% EtOH extract of the tubes of Smilax china, together with four known analogues, 3-6. The structures of the new compounds were elucidated by means of chemical evidence and spectroscopic analyses, including HR-MS, IR, (1)H- and (13)C-NMR, and 2D experiments ((1)H-(1)H COSY, HSQC and HMBC).
Huang
Hui-Lian
HL
Key Laboratory of Modern Preparation of TCM, Jiangxi University of Traditional Chinese Medicine, Ministry of Education, Nanchang 330004, People's Republic of China. huilianh@163.com
Liu
Rong-Hua
RH
Shao
Feng
F
D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D010936:Plant Extracts; D012503:Saponins / Q000737:chemistry* / Q000302:isolation & purification; D032281:Smilax / Q000737:chemistry*; D013256:Steroids / Q000737:chemistry
D010936:Plant Extracts; D012503:Saponins; D013256:Steroids