川藏香茶菜中双聚对映贝壳杉烯的结构鉴定
STRUCTURE ELUCEDATION OF A BIS-ENTKAURANOID ISOLATED FROM ISODON PHARICUS
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摘要: 从川藏香茶菜的干叶和嫩枝中,分离得到了一个对映贝壳杉烯的双聚体,命名为川藏香茶菜戊素,经光谱解析和化学证明确定了其结构为川藏香茶菜甲素的Diels-Alder双聚体。Abstract: A new dimer of ent-kaurane diterpenoid ,isodopharicin E, was isolatedfrom the dry leaves and tender branches of Isodon pharicus( Prain )Murata.Its structureestablished by spectroscopic and chemical means was formulated as the dimer ofisodopharicin A.
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