A new diacylated labdane diterpenoid from Andrographis wightiana.

Abstract

A new acylated labdane diterpenoid, 14-deoxy-3,19-diacetyl-11,12-didehydroandrographolide (1), together with three known labdane diterpenoids, wightionolide (2), andrographolide (3) and neoandrographolide (4), and three known flavones, echioidinin (5), skullcapflavone I 2'-methyl ether (6) and echioidin (7), were isolated from the whole plant of… (More)

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