Two New Flavonoids from <i>Derris eriocarpa </i><scp>How</scp>

Lou, Hua‐Yong; Wu, Hong-Guo; Tan, Yinling; Lan, Junjie; Ma, Xiao‐Pan; Guang-yi, Liang; Yi, Ping; Pan, Weidong

doi:10.1002/hlca.201500247

Cited by 11 publications

(1 citation statement)

References 10 publications

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“…Tephrosin ( 270b ) and deguelin were mainly isolated from plants of genus Derris . [ 94 ] Deguelin exhibits potent apoptotic, antiangiogenic activities towards various human cancer cells. [ 95 ] Tephrosin shows inhibition towards mouse skin tumor promotion, invasion of cancer cells and nuclear factor‐ĸB‐activity.…”

Section: Miscellaneous Approaches In Pgf Total Synthesis Of Naturamentioning

confidence: 99%

Evolution of Strategies in Protecting‐Group‐Free Synthesis of Natural Products: A Recent Update

2020

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The synthesis of complex natural products must be realized with high economy and efficiency, contributing largely to sustainable development in synthetic organic chemistry. The new strategies should adopt protecting‐group‐free approaches enabling step‐economy and thereby enhancing efficiency. Various approaches based on chiral pool, auxiliary‐based methods, cascade, biomimetic, enzymatic and photocatalytic used in total synthesis of natural products and following the PGF‐criteria over the last two years (2018–2019) have been reviewed here. These should guide sustainable synthesis of natural products in the future.

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Section: Miscellaneous Approaches In Pgf Total Synthesis Of Naturamentioning

confidence: 99%

Evolution of Strategies in Protecting‐Group‐Free Synthesis of Natural Products: A Recent Update

2020

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Novel Flavones from the Root of Phytolacca acinosa Roxb.

Zhang

et al. 2017

Chemistry & Biodiversity

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Two new flavones, 6,7-methylenedioxy-4-hydroxypeltogynan-7'-one (1), cochliophilin B (2), as well as two known ones, cochliophilin A (3) and 6-methoxy-7-hydroxy flavone (4), were isolated from the ethanol extract of the root of Phytolacca acinosa Roxb. Compound 1 is a flavanol framework with one δ-lactone unit, which is rather rare in nature. The structures of the new compounds were determined on the basis of extensive spectroscopic (IR, MS, 1D- and 2D-NMR) analyses, the absolute configuration of 1 was established by comparing experimental and calculated electronic circular dichroism spectra. The structures of known compounds were fixed by comparison with literatures data. Compounds 2 and 4 showed modest inhibitory activities against BEL-7402 cell line, with IC values of 28.22 and 39.16 μmol/L, respectively.

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