摘要
A new guaiane sesquiterpene was isolated from Ligularia Nelumbifolia. Its structure was elucidated by spectroscopic methods including 2D-NMR techniques and showed to be 4 alpha ,9 alpha ,10 beta -tri-acetoxy-1 beta, 5 alpha- guaia-6-ene (1).
A new guaiane sesquiterpene was isolated from Ligularia Nelumbifolia. Its structure was elucidated by spectroscopic methods including 2D-NMR techniques and showed to be 4 alpha ,9 alpha ,10 beta -tri-acetoxy-1 beta, 5 alpha- guaia-6-ene (1).
