Abstract
Vibsanin O, isolated from the leaves and twigs of
Viburnum awabuki, is an unprecedented bicyclic diterpenoid. The structures of vibsanin O was established by extensive analysis of spectroscopic data.
Vibsanin O, isolated from the leaves and twigs of
Viburnum awabuki, is an unprecedented bicyclic diterpenoid. The structure of vibsanin O (
1
) was established by extensive analysis of spectroscopic data.