A new neo-clerodane type diterpenoid,named soulidiol, has been isolated from Aster souliei and its structure was elucidated on basis of spectral and chemical methods to be 18, 19-dihydroxy-5 alpha,10 beta-neo-cleroda-...A new neo-clerodane type diterpenoid,named soulidiol, has been isolated from Aster souliei and its structure was elucidated on basis of spectral and chemical methods to be 18, 19-dihydroxy-5 alpha,10 beta-neo-cleroda-3,13 (14)-dien-16,15-olide.展开更多
A new eudesmane sesquiterpene was isolated from the root of Rhaponticum uniflorum (Compositae) and Its structure was elucidated on the basis of spectra method (IR, EIMS, H-1-NMR, C-13-NMR, DEPT and H-1, H-1-Cosy) as 7...A new eudesmane sesquiterpene was isolated from the root of Rhaponticum uniflorum (Compositae) and Its structure was elucidated on the basis of spectra method (IR, EIMS, H-1-NMR, C-13-NMR, DEPT and H-1, H-1-Cosy) as 7 alpha, 8 alpha, 13-trihydroxy-eudesm-Delta 11(12)-diene.展开更多
文摘A new neo-clerodane type diterpenoid,named soulidiol, has been isolated from Aster souliei and its structure was elucidated on basis of spectral and chemical methods to be 18, 19-dihydroxy-5 alpha,10 beta-neo-cleroda-3,13 (14)-dien-16,15-olide.
文摘A new eudesmane sesquiterpene was isolated from the root of Rhaponticum uniflorum (Compositae) and Its structure was elucidated on the basis of spectra method (IR, EIMS, H-1-NMR, C-13-NMR, DEPT and H-1, H-1-Cosy) as 7 alpha, 8 alpha, 13-trihydroxy-eudesm-Delta 11(12)-diene.
