Studies on"Inchinko."II. : Studies on the Compounds related to Capillarisin and Flavonoids

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Abstract
Four new 2-phenoxychromone derivatives were isolated from Artemisiae Capillaris Herba [Artemisia] (Japanese name Inchinko). Their structures were established on the basis of chemical and spectroscopic evidences as 2-(p-methoxyphenoxy)-6-methoxy-5,7-dihydroxychromone (4''-methylcapillarisin), 6,7-dimethoxy-2-(p-hydroxyphenoxy)-5-hydroxychrome (7-methylcapillarisin) and 2-(p-hydroxyphenoxy)-5,7-dihydroxychromone (6-demethoxycapillarisin), respectively. Four flavonids, cirsilineol, cirsimaritin, genkwanin, and rhamnocitrin, were also isolated from this herb.

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