A new triterpenoid from Entodon okamurae Broth.

One new triterpenoid, entokamurol (1), was isolated from Entodon okamurae Broth, together with other nine compounds, namely dryocrassol (2), chrysophamol (3), physcion (4), 10-nonacosamnol (5), n-hexadecanol (6), phthalic acid isodibutyl ester (7), curcumol (8), beta-sitosterol (9) and daucosterol (10). Their structures were elucidated on the basis of extensive NMR (DEPT, DQF-COSY, HMQC, HMBC and NOESY), IR and MS studies. All the compounds were isolated and identified from the genus of Entodon for the first time, and it is also the first report of a guaiane-type sesquiterpenoid and compounds with anthraquinone skeleton in mosses.