Sterostreins F–O, illudalanes and norilludalanes from cultures of the Basidiomycete Stereum ostrea BCC 22955

Abstract: Sterostreins F–O (1–10), 10 illudalanes and norilludalanes, were isolated from cultures of the Basidiomycete Stereum ostrea BCC 22955. Their structures were elucidated by analyses of the NMR spectroscopic and mass spectrometry data. Sterostreins M (8), N (9), and O (10) are pyridine-containing illudalanes. [Copyright &y& Elsevier]