NEW STERPURANE AND ISOLACTARANE SESQUITERPENES FROM THE FUNGUS MERULIUS TREMELLOSUS

Article abstract of DOI:10.1016/S0040-4020(01)82020-2

Sterpurane and isolactarane sesquiterpenes have been isolated from a culture of the fungus Merulius tremellosus.The structures of all compounds have been determined by spectroscopic methods, mass and NMR spectroscopy and X-ray structural analyses, and by chemical conversions.Compounds 1a, 7a, 8a, 9a, 11 and 13 were identified in the cultural fluid, and compounds 7a, 12a and 13 in the mycelium.The absolute configuration of the sterpurane 7a was obtained by X-ray structural analysis of the chloroacetylated derivative 7d.