Hydrangenone, a New Isoprenoid with an Unprecedented Skeleton from Salvia hydrangea
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Hydrangenone, a new heptacyclic isoprenoid with a 6/7/6/5/5 membered carbon ring skeleton, was isolated from the aerial parts of Salvia hydrangea. The structure was established by extensive NMR spectroscopic methods. The relative and absolute configuration of 1 was assigned by NOESY and X-ray crystallographic analysis and by comparison of experimental and calculated electronic circular dichroism (ECD) spectra. Compound 1 showed in vitro antiplasmodial activity, with an IC50 value of 1.4 μM against P. falciparum. A plausible biosynthetic pathway of 1 was also proposed.
创建时间：
2016-02-22
