1,1,4,7-Tetramethyldecahydro-1H-cyclopropa[e]azulen-7-ol from the Stembark Chisocheton pentandrus

A new aromadendrane-type sesquiterpenoid, namely dehydrosphatulenol (1), has been isolated from the stembark of Chisocheton pentandrus. The chemical structure of 1 was characterized on the basis of spectroscopic evidences including mainly one dimension and two dimension Nuclear Magnetic Resonance, and Mass Spectroscopy as well as through a comparison with those related compounds previously reported.