Kim, Ki Hyun Beemelmanns, Christine Murillo, Catalina Guillen, Anny Umana, Loengrin Tamayo-Castillo, Giselle Kim, Su-Nam Clardy, Jon Cao, Shugeng 2024-01-20T08:30:18Z 2024-01-20T08:30:18Z 2021-09-02 2014-12 0308-2342 https://pubs.kist.re.kr/handle/201004/126055 A new naphthalenone, (R)-4,6,8-trihydroxy-3,4-dihydro-1(2H)-naphthalenone and a new isocoumarin, 6,8-dihydroxy(3R)-(2-oxopropyl)-3,4-dihydroisocoumarin, together with eight related known compounds were isolated from the endolichenic fungal species, CR1546C from Costa Rican lichen Sticta fuliginosa (Lobariaceae). Their structures were elucidated by spectroscopic methods, including extensive 1D- and 2D-NMR techniques and chemical methods. All of the isolated compounds exhibited moderate antifungal activity against the yeast Candida albicans. English Science Reviews Ltd. Naphthalenones and isocoumarins from a Costa Rican fungus Xylariaceae sp. CR1546C Article 10.3184/174751914X14175406270662 1 Journal of Chemical Research - Part S, v.38, no.23, pp.722 - 725 Journal of Chemical Research - Part S 38 23 722 725 N other 000348596000006 2-s2.0-84920619997 Chemistry, Multidisciplinary Chemistry Article ENDOPHYTIC FUNGUS BIOSYNTHESIS METABOLITES SUBSTANCES Xylariaceae sp naphthalenone isocoumarin antifungal activity