Two new furanoid diterpenes, teucjaponin A (II) and teucjaponin B (V), have been isolated from Teucrium japonicum HOUTT. together with teucvin (I) and their structures were determined on the basis of chemical and spectral data. Teucjaponin A showed antifeedant activity for Prodenia litura.
从日本柚木(Teucrium japonicum HOU
TT.)中分离出两种新的
呋喃类二萜,即柚木
皂苷 A(II)和柚木
皂苷 B(V)以及柚木素(I),并根据
化学和光谱数据确定了它们的结构。Teucjaponin A 对 Prodenia litura 具有抗飞虫活性。