Vincan- and eburnan-type alkaloids from Tabernaemontana bovina and their hypoglycemic activity
文献类型： 外文期刊
作者： Yu, Yang 1 ; Bao, Mei-Fen 1 ; Huang, Sheng-Zhuo 2 ; Wu, Jing 1 ; Cai, Xiang-Hai 1 ;
作者机构： 1.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources West Ch, Kunming 650201, Yunnan, Peoples R China
2.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Hainan Key Lab Res & Dev Nat Prod Li Folk Med, Haikou 571101, Hainan, Peoples R China
关键词： Tabernaemontana bovina; Apocynaceae; Vincan-type alkaloids; Eburnan-type alkaloids; Hypoglycemic activity
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： 2021 年 190 卷
页码：
收录情况： SCI
摘要： Thirty-one Vincan-and two Eburnan-type alkaloids were isolated from the aerial parts of Tabernaemontana bovina, whereas 20 of them are described the first time. Within the purified alkaloids, the firstly described taberbovcamine A features a 6/5/6/6/5 ring system. All the chemical structures were elucidated by employing extensive spectroscopic, computational electronic circular dichroism and X-ray diffraction methods. The two Eburnan-type alkaloids, 10,11-dimethoxy-16-O-methyllisoeburnamenine and 10,11-dimethoxy-isoeburnamenine were simultaneously identified by using the mentioned spectroscopic methods. Within the identified alkaloids, 10-hydroxy-14,15-didehydrovincanmine, 14,15-didehydrovincanmine, 14,15-didehydroapovincanmine, and criocerine increased the glucose consumption in a L6 myotube model.
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