Flavonoids of Gardenia cramerii and G. fosbergii bud exudates
作者:A.A.leslie Gunatilaka、Sarath R. Sirimanne、Subramaniam Sotheeswaran、H.T.Badra Sriyani
DOI:10.1016/0031-9422(82)83201-9
日期:——
Abstract From the budexudates of Gardeniacramerii and G. fosbergii , two species endemic to Sri Lanka, a new flavonoid with an unusual B-ring oxidation pattern, 5,5′-dihydroxy-6,7,2′,3′-tetramethoxyflavone, was characterized. Two other rare flavonoids, 5,3′,5′-trihydroxy-3,6,7,4′-tetramethoxyflavone and 5-hydroxy-6,7,3′,4′,5′-pentamethoxyflavone were also isolated from both Gardenia species.
摘要来自斯里兰卡特有的两种植物栀子和 G. fosbergii 的芽分泌物,一种具有不寻常 B 环氧化模式的新黄酮类化合物,5,5'-二羟基-6,7,2',3'-四甲氧基黄酮,被表征。另外两种稀有黄酮类化合物 5,3',5'-trihydroxy-3,6,7,4'-tetramethylflavone 和 5-hydroxy-6,7,3',4',5'-pentamethoxyflavone 也从栀子中分离出来。物种。