Abstract
Four new vibralactone derivatives, named vibralactones G–J (1–4), together with vibralactone (5) have been isolated from cultures of the basidiomycete Boreostereum vibrans. The new structures were elucidated by means of spectroscopic methods.
Acknowledgments
This project was financially supported by the National Basic Research Program of China (973 Program, 2009CB522300), the National Natural Sciences Foundation of China (30830113), and MOST (2009ZX09501-029).