A new bisabolane sesquiterpene, 5 beta-acetoxy-4 beta, 8-diangeloyloxy-2 beta,3 beta, :10,11-diepoxy-bisabola-7 (14)-ene, was isolated from the roots of Ligularia songarica and its structure was elucidated on the basi...A new bisabolane sesquiterpene, 5 beta-acetoxy-4 beta, 8-diangeloyloxy-2 beta,3 beta, :10,11-diepoxy-bisabola-7 (14)-ene, was isolated from the roots of Ligularia songarica and its structure was elucidated on the basis of spectroscopic methods, especially 2D-NMR techniques.展开更多
文摘A new bisabolane sesquiterpene, 5 beta-acetoxy-4 beta, 8-diangeloyloxy-2 beta,3 beta, :10,11-diepoxy-bisabola-7 (14)-ene, was isolated from the roots of Ligularia songarica and its structure was elucidated on the basis of spectroscopic methods, especially 2D-NMR techniques.
