Two Stemona alkaloids from Stemona sessilifolia (Miq.) Miq.

Publication date: March 2017 Source:Phytochemistry Letters, Volume 19 Author(s): Jian-Li Dong, Zhong-Duo Yang, Shuang-Yan Zhou, Hai-Tao Yu, Xiao-Jun Yao, Hong-Yan Xue, Zong-Mei Shu Two new alkaloids, named dehydrostenine A (1) and B (2), were isolated from the roots of Stemona sessilifolia (Miq.) Miq. Their structures were elucidated by comprehensive NMR spectroscopy and X-ray single-crystal diffraction experiment. Anti-acetylcholinesterase activities of compounds 1 and 2 were also tested, but did not show significant activity. Graphical abstract

Source: Phytochemistry Letters - February 19, 2017 Category: Chemistry Source Type: research