DASYPOGALACTONE, A NEW C3-SYMMETRIC MACROLACTONE FROM THE INDONESIAN LICHEN USNEA DASYPOGA ROHL
A structurally novel 24-membered C3-symmetrical macrolactone 2a, composed of three units of 3,7-dihydroxy-2,4-dimethyloctanoic acid, was isolated from the Indonesian lichen Usnea dasypoga Rohl.