NEW TRITERPENOIDAL SAPONINS FROM MUSSAENDA PUBESECUS

摘要

A cyclolanostene-type triterpene and two saponins derived thereform,namely MP-C,D and F,were isolated from the acid-hydrolyzate of the mixture ofsaponins of Mussaenda pubesecus.Their structures were elucidated on the basisof chemical and UV,IR,1H,13C NMR and MS spectral evidence.The two newsaponins MP-D and F were named Mussaendoside A and C,respectively.