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Chlorahololides A and B, two potent and selective blockers of the potassium channel isolated from Chloranthus holostegius.
Chlorahololides A (1) and B (2) exhibited potent and selective inhibition on the delayed rectifier K+ current, with an IC50 of 10.9 and 18.6 microM, respectively. Expand
Tabularisins A–D, phragmalin ortho esters with new skeleton isolated from the seeds of Chukrasia tabularis
Abstract Tabularisins A–D (1–4), a new class of phragmalins incorporating a cyclopropanyl ring, were isolated from Chukrasia tabularis. Compounds 1 and 2 are also the first examples of phragmalinsExpand
Chuktabularins A-D, four new limonoids with unprecedented carbon skeletons from the stem bark of Chukrasia tabularis.
Chuktabularins A-D (1-4), four novel 16-norphragmalin-type limonoids that feature unprecedented skeletons with a biosynthetically extended C2 or C3 unit at C-15 forming a uniqueExpand
Limonoids from Khaya ivorensis.
Four limonoids were isolated from the stems of Khaya ivorensis and their structures were elucidated on the basis of spectroscopic analysis. Expand
Limonoids from the Twigs and Leaves of Chukrasia tabularis
Seven new limonoids, tabularisins J–P (1–7, resp.), together with eight known compounds, were isolated from the twigs and leaves of Chukrasia tabularis. Their structures were determined primarily byExpand
Antioxidant and Anti-inflammatory Compounds in Nutmeg (Myristica Fragrans) Pericarp as Determined by in vitro Assays
The results support the medicinal claims of nutmeg pericarp using in vitro antioxidant and anti-inflammatory assays and the first report on the bioassay-guided characterization of constituents in nutmegPericarp. Expand
Antioxidant and anti-inflammatory assays confirm bioactive compounds in Ajwa date fruit.
The soluble protein fraction of Ajwa dates was also very active in both antioxidant and anti-inflammatory assays, and Bioactivity-guided purifications afforded compounds 1-7, in addition to phthalates and fatty acids. Expand
Limonoids and Diterpenoids from Toona ciliata Roem. var. yunnanensis.
Three new limonoids (toonaciliatins N-P, 1-3)and four new pimaradiene-type diterpenoids(toonacilidins A-D, 4-7) were isolated from the leaves and twigs of Toona ciliata Roem. var. yunnanensis.TheirExpand
Chuktabrins A and B, two novel limonoids from the twigs and leaves of Chukrasia tabularis.
Two novel limonoids, chuktabrin A (1), featuring the unique motifs of a 1,3-dioxolan-2-one and a 3,4-dihydro-2 H-pyran, and chuktabrin B (2), possessing an unprecedented polycyclic skeleton, wereExpand
Alkaloids from Daphniphyllum longeracemosum.
Four new Daphniphyllum alkaloids, daphnilongeranins A-D (1-4), along with four known ones, daphniphylline, longistylumphylline A, deoxyisocalyciphylline B, and daphnicyclidin D, were isolated fromExpand