文献类型： 外文期刊
作者： Cao, Liang 1 ; Shehla, Nuzhat 1 ; Li, Bin 1 ; Jian, Yuqing 1 ; Peng, Caiyun 1 ; Sheng, Wenbing 1 ; Liu, Leping 1 ; Cai, X 1 ;
作者机构： 1.Hunan Univ Chinese Med, TCM & Ethnomed Innovat & Dev Int Lab, Academician Atta ur Rahman Belt & Rd Tradit Med R, Innovat Mat Med Res Inst,Sch Pharm, Changsha 410208, Hunan, Peoples R China
2.Univ Karachi, HEJ Res Inst Chem, Int Ctr Chem & Biol Sci, Karachi 75270, Pakistan
3.Hunan Acad Agr Sci, Inst Agr Environm & Agroecol, Changsha 410125, Hunan, Peoples R China
4.First Peoples Hosp Huaihua, Clin Expt Res Ctr, Huaihua 418000, Peoples R China
关键词： Kadsura heteroclita; Schisandraceae; Xuetong; Tujia ethnomedicine; Schinortriterpenoids
期刊名称：PHYTOCHEMISTRY （ 影响因子：4.072； 五年影响因子：4.132 ）
ISSN： 0031-9422
年卷期： 2020 年 169 卷
页码：
收录情况： SCI
摘要： In the present work, we take advantage of the characteristic NMR signal (delta(C-10) = 96.0-99.9) for guiding the isolation of schinortriterpenoids (SNTs) from n-butanol fraction of stems of Kadsura heteroclita which is a Tujia ethnomedicine with trivial name "Xuetong". This effort resulted in the identification of three unreported 3,4:9,10-disecocycloartane triterpenoids xuetongdilactones A-C and three undescribed SNTs xuetongdilactones D-F, along with two known SNTs, namely, wuweizidilactone B and micrandilactone B. The structures of the unreported compounds were established based on 1D, and 2D NMR, HRESIMS, and ECD spectroscopic data analysis. The absolute stereochemistry of xuetongdilactone A was determined by X-ray diffraction analysis along with ECD calculation. The antioxidant and cytotoxic activities were evaluated for all the isolated compounds.
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