| Summary: | 碩士 === 國立成功大學 === 化學學系 === 83 ===
Fractionation and chromatography of the methanoi extract of the aerial part of Artemisia capillaris Thunb afforded two new flavonoids : artemisidin A and B ; eight new phenylalkynes :capillaridin A~H ; five new coumarins : artemi-capin A~E, together with sixty known compounds : capillarisn, 7-methylcapillarisin,6-demeth-oxycapillarisin,6-demethoxy-4'-methylcapilla-risin, cirsilineol, cirsimaritin, chrysoeriol, velutin, viceninll, vitexin, isorhamnetin, quercetin,kumatakenin, isorhamnetin 3-O-β-D-galactoside, quercetin-3-O-β-D-galactoside, isorhamnetin 3-O-robinobioside, quercetin-5-glucoside, isorha-mnetin-5-glucoside, quercetin-3-robinobioside, luteolin-7,3',4'-trimethyl ether, hesperidin, liquiritin, capillin, capillene, O-methoxycapillene, scoparone, isosabaudin, 6-methoxy-7,8-methyl-enedioxycoumarin, isoscopoletin, scopoletin, 5, 7,8-trimethoxycoumarin,5-hydroxy-6,7-dimeth- oxycoumarin, arscotin, leptodactylone, scopolin, aesculetin, isoscopolin, fraxinol methyl ether, alkyl-p-hydroxycinnamate, methyl-3,4-dihydroxy cinnamate, 4-hydroxy-3-methoxycinnamic acid, methyl-4-hydroxy-3-methoxycinnamate, 3-hydr- oxy-4-methoxycinnamic acid, methyl-p-hydroxy cinnamate, trans-p-hydroxycinnamic acid, methyl-paraban, vanillin, 3,4-dimethoxybenzoic acid, resacetophenone, vanillic acid, 2,6-dimeth-oxy benzoqinone, quinic acid-4-O-coumarate, chlorogenic acid, (+)-sesamin, 9-β-xylopyranosyl (+)- isolariciresinol, pluviatide, honokiol, phytal, 13(2)-hydroxy(13(2)-R)pheophytin b, 13(2)-hydro-xy(13(2)-S)pheophytind。
The structure of these compounds were elucidated by spectroscopic and chemical methods. Moreover, the biological activity of these compounds are currently under investigation。
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