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Dammarane Triterpenes and Pregnane Steroids from Aglaia lawii and A. tomentosa
Three known dammaranes, cabraleone, eichlerianic acid and shoreic acid, together with two new ones, aglinins A and B, were isolated from the bark of Aglaia lawii. A. tomentosa also containedExpand
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Ceramicines B-D, new antiplasmodial limonoids from Chisocheton ceramicus.
Three new limonoids, ceramicines B-D (1-3), have been isolated from the bark of Chisocheton ceramicus. Structures and stereochemistry of 1-3 were fully elucidated and characterized by 2D NMRExpand
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Ceramicine A and walsogyne A, novel limonoids from two species of Meliaceae
Two novel limonoids, ceramicine A (1) without any methyls at C-4, and walsogyne A (2) with a ring C-seco limonoid, have been isolated from the barks of Chisocheton ceramicus and Walsura chrysogyne,Expand
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Erythrocarpines A-E, new cytotoxic limonoids from Chisocheton erythrocarpus.
Five new cytotoxic limonoids, erythrocarpines A-E (1-5), were isolated from the bark of Chisocheton erythrocarpus Hiern. Chemical structures, stereochemistry, and conformation were fully elucidatedExpand
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Neolamarckines A and B, new indole alkaloids from Neolamarckia cadamba.
Two new indole alkaloids, neolamarckines A and B (1, 2) were isolated from the leaves of Neolamarckia cadamba (Rubiaceae). Structural elucidation of 1 and 2 was performed by combination of 2D-NMR andExpand
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Oppositinines A and B: new vasorelaxant beta-carboline alkaloids from Neisosperma oppositifolia.
A phytochemical study on the bark of Neisosperma oppositifolia (Apocynaceae) yielded two new beta-carboline indole alkaloids, oppositinines A (1) and B (2), together with five known alkaloids,Expand
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Carboxymethylation of kappa-carrageenan for intestinal-targeted delivery of bioactive macromolecules
Abstract The work presented herein discusses the carboxymethylation of kappa -carrageenan, a natural linear polysaccharide, to afford a pH-dependent swelling property allowing for intestinal-targetedExpand
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Huncaniterine A, a new bisindole alkaloid from Hunteria zeylanica
A new bisindole alkaloid, huncaniterine A (1) consisting of corynantheine-type and aspidospermane-type skeletons, has been isolated from the bark of Hunteria zeylanica (Apocynaceae) and the structureExpand
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