Three furanoid ent-clerodane diterpenoids,teupernin A,B and C have been isolated from the acetone extract of Teucrium pernyi Franch.Their structures were established by spectroscopic means(UV,IR,MS,~1H NMR,^(13)C NMR,...Three furanoid ent-clerodane diterpenoids,teupernin A,B and C have been isolated from the acetone extract of Teucrium pernyi Franch.Their structures were established by spectroscopic means(UV,IR,MS,~1H NMR,^(13)C NMR,H-H COSY,C-H COSY and NOE)and by comparison with related compounds.展开更多
文摘Three furanoid ent-clerodane diterpenoids,teupernin A,B and C have been isolated from the acetone extract of Teucrium pernyi Franch.Their structures were established by spectroscopic means(UV,IR,MS,~1H NMR,^(13)C NMR,H-H COSY,C-H COSY and NOE)and by comparison with related compounds.
