Four new polyketide synthase–nonribosomal peptide synthetase (PKS–NRPS) hybrid metabolites, pericoannosin A (1), with an unusual hexahydro-1H-isochromen-5-isobutylpyrrolidin-2-one skeleton, and three
Two new alkaloids, lycojaponicumins D (1) and E (2), were isolated from the club moss Lycopodium japonicum. Their structures were elucidated by spectroscopic methods, calculated ECD, CD experiments an
Cercosporenes A–F (1–6, respectively), six new guanacastane diterpenes, including a homodimer (5) and a heterodimer (6), were isolated from the crude extract of the fungus Cercospora sp., endophytic t
