抄録
From the fronds of Microlepia tenera CHRIST (syn. Oenotrichia tenera TAGAWA) a new ent-pimarane-type diterpene triglycoside was isolated together with hookeroside D (II) previously detected in Scypholepia hookeriana J. SM. (syn. Microlepia hookeriana (WALL.) PRESL). The structure was elucidated as 3α-[O-β-D-fucopyranosyl-(1→2)-α-L-arabinofuranosyloxy]-12α-[β-D-fucopyranosyloxy]-ent-pimara-8 (14), 15-diene (I) on the basis of spectroscopic studies and chemical evidence.