Chroman-4-one and pyrano[4,3-b]chromenone derivatives from the mangrove endophytic fungus Diaporthe phaseolorum SKS019

Abstract

Seven new compounds: diaporchromanones A–D (1–4), (−)-phomopsichin A (5a), (+)-phomopsichin B (6a), and (±)-diaporchromone A (7), along with the known (+)-phomopsichin A (5b) and (−)-phomopsichin B (6b) were isolated from an endophytic fungus Diaporthe phaseolorum SKS019.