Chemical Constituents of Rhododendron anthopogonoides
网页2020年2月6日 · Rhododendron anthopogonoides, a traditional Tibetan ethnodrug, has been used as an antitussive, expectorant, and antiasthmatic, for heat-clearing and detoxicating, and as a stomachic and swelling agent for a long time. Moreover, it is also commonly used for treating rheumatoid arthritis [1, 2, 3].
Five new meroterpenoids from Rhododendron anthopogonoides …
网页Five meroterpenoids, rhodonoids K-M (1-2), daurichromene E (3), and grifolins A-B (4-5), together with seven known compounds (6-12), were isolated from Rhododendron anthopogonoides. The chemical structures were established through comprehensive HRESIMS, UV, IR, and NMR data analysis, and their absolute configurations were determined by ...
Discovery, biosynthesis, organic synthesis, and bioactivities of ...
网页2024年6月1日 · anthopogonoides have also been identified as NF-κB pathway inhibitors (Shi et al., 2020). Additionally, research determined that compound 7 inhibited histamine release from rat peritoneal mast cells, thus revealing that the length of the chromene-connected isoprenyl side chain was important for the inhibition of …
Meroterpenoids with diverse structures and anti-inflammatory …
网页2020年12月1日 · Eight pairs of meroterpenoid enantiomers and four achiral meroterpenoids were isolated from Rhododendron anthopogonoides Maxim. Seventeen of them, named (+)-/(−)-anthoponoids A−G, (+)-daurichromene D, and anthoponoids H and I, are undescribed compounds with structural diversity.
Repellence and insecticidal activity of Rhododendron anthopogonoides …
网页2024年3月11日 · In this study, we investigated the repellent, fumigation, and contact activities of R. anthopogonoides essential oil (EO) and its four main chemical components against T. castaneum. The results demonstrated that both the EO and its main chemical component, benzylacetone, exhibited potent insecticidal activity against T. castaneum.
Tetracyclic Chromane Derivatives from Rhododendron anthopogonoides …
网页2010年6月29日 · Four new chromane derivatives, anthopogochromane (1), anthopogochromene A (2), anthopogochromene B (3), and anthopogochromene C (4), and two known compounds, daurichromenic acid (5) and ilicicolinic acid B (6), have been isolated from the Chinese medicinal plant Rhododendron anthopogonoides.
Antioxidant potential, total phenolic and total flavonoid contents …
网页2015年8月18日 · In the present study, the antioxidant activity of R. anthopogonoides and its protective effect on hypoxia-induced oxidative damage in PC12 cells were reported for the first time. Our results showed that ethyl acetate and n-butanol fractions, which were rich in phenolics and flavonoid compounds, had stronger antioxidant capacity against seven ...
Meroterpenoids with diverse structures and anti-inflammatory …
网页Eight pairs of meroterpenoid enantiomers and four achiral meroterpenoids were isolated from Rhododendron anthopogonoides Maxim. Seventeen of them, named (+)-/(-)-anthoponoids A-G, (+)-daurichromene D, and anthoponoids H and I, are undescribed compounds with structural diversity.
Rhododendron anthopogonoides - Plants of the World Online
网页Rhododendron anthopogonoides Maxim. First published in Bull. Acad. Imp. Sci. Saint-Pétersbourg, sér. 3, 23: 350 (1877) This species is accepted
Meroterpenoids with diverse structures and anti-inflammatory …
网页2020年12月1日 · Eight pairs of meroterpenoid enantiomers and four achiral meroterpenoids were isolated from Rhododendron anthopogonoides, including seventeen undescribed compounds with structural diversity. Some of the meroterpenoids showed significant anti-inflammatory activities.
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