Prapairat SeephonkaiPalangpon KongsaereeSamran PrabpaiMasahiko IsakaYodhathai ThebtaranonthMahidol UniversityThailand National Center for Genetic Engineering and Biotechnology2018-08-202018-08-202006-07-06Organic Letters. Vol.8, No.14 (2006), 3073-3075152370602-s2.0-33746648654https://repository.li.mahidol.ac.th/handle/123456789/23007An unusually bridged epidithiodiketopiperazine, pretrichodermamide A (3), was isolated from the fungus Trichoderma sp. BCC 5926. During the extensive effort to crystallize 3 for X-ray crystallographic analysis, conversion of this compound to trichodermamide A with coproduction of S8 occurred. © 2006 American Chemical Society.Mahidol UniversityBiochemistry, Genetics and Molecular BiologyChemistryArticleSCOPUS10.1021/ol061046l