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Two novel lignans from Gaultheria yunnanensis
Two new lignans, 9-salicyl-(+)-isolariciresinol (1) and gaultheroside G (2), together with seven known compounds, were isolated from the ethanolic extract of the whole plant of Gaultheria
Incarvilleatone, a new cyclohexylethanoid dimer from Incarvillea younghusbandii and its inhibition against nitric oxide (NO) release.
Incarvilleatone (1), an unprecedented dimeric cyclohexylethanoid analog with a racemic nature, was isolated from the whole plant of Incarvillea younghusbandii. HPLC chiral separation of 1 gave two
Highly oxygenated guaianolides from Artemisia dubia.
TLDR
Investigation of a Chinese folk medicine, Artemisia dubia, has resulted in the isolation of eight new guaianolides (artemdubolides A-H, 1-8), and nineteen known sesquiterpene lactones, which were elucidated primarily on the basis of spectroscopic methods, including extensive 2D NMR experiments.
Diterpenoids from Gaultheria yunnanensis
Four diterpenoids (1–4), together with four known ones (5–8), were isolated from the ethanolic extract of the whole plant of Gaultheria yunnanensis. Their structures were determined by extensive NMR
Two Novel Abietane Diterpenoids from Illicium wardii A.C.Sm.
Two novel abietane diterpenoids, wardinols A and B (1 and 2, resp.), together with five known diterpenoids, 3–7, were isolated from the fruits of Illicium wardii A.C.Sm. Their structures were
Two new menthane monoterpenes from Illicium wardii
TLDR
Two new menthane monoterpenes, wardicines A and B, were isolated from the fruits of Illicium wardii A.C. Smith on the basis of spectroscopic data analysis and cytotoxicities of compounds 1 and 2 against three human tumor cell lines were evaluated.
Two Novel Abietane Diterpenoids from Illicium wardii A.C.Sm
isolation, structure and cytotoxicity of two novel abietane diterpenoids, wardinol A (I) and B (II), along with five known diterpenoids
Triterpenoids from Coluria longifolia
Abstract A new triterpenoid named 19-hydroxy swinhoeic acid, together with four known compounds were isolated from the whole plants of Coluria longifolia Maxim. Their structures were elucidated on