Steroidal saponins from the aerial parts of Tribulus alatus Del

Phytochemistry
Abeer TemrazAlessandra Braca

Abstract

Six steroidal glycosides (1-6) were isolated from the aerial parts of Tribulus alatus Del. (Zygophyllaceae), together with one known cholestane, one spirostane, and six flavonol glycosides. Among them, 1 and 2 possess a furostane-type aglycone, 3 and 6 a cholestane structure, and 4 and 5 a spirostane skeleton. Their structural elucidation was accomplished by extensive spectroscopic methods including 1D ((1)H, (13)C, (13)C DEPT, TOCSY, ROESY) and 2D NMR experiments (DQF-COSY, HSQC, HMBC) as well as ESI-MS analysis.

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Citations

Feb 18, 2014·Steroids·Muhammad Akram NaveedAbdul Jabbar
Feb 5, 2013·Natural Product Reports·Victoria L Challinor, James J De Voss
Feb 16, 2013·Bioorganic & Medicinal Chemistry Letters·Chung Sub KimKang Ro Lee
Jan 21, 2009·Phytochemistry·Kei ShimodaHiroki Hamada
Jul 22, 2010·Pharmaceutical Biology·Musa T Yakubu, Anthony J Afolayan
Sep 5, 2007·International Braz J Urol : Official Journal of the Brazilian Society of Urology·Walid H El-TantawyOmayma D El-Gindi
May 24, 2017·Journal of Asian Natural Products Research·Meng-Yue WangXiao-Bo Li
May 12, 2018·Planta·Swati UpadhyayRakesh Kumar Shukla
Dec 24, 2009·Journal of Natural Products·Debabrata AcharyaMarie-Aleth Lacaille-Dubois

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