title: Pentacyclic triterpenoids fromllex macropoda.
abstract: Six compounds were isolated from the twigs ofIlex macropoda. Their structures were elucidated as betulinic acid, lupeol, betulone, betulin, erythrodiol and 11-oxo-erythrodiol by physicochemical and spectroscopic analysis. Among them, lupeol, betulone, erythrodiol and 11-oxo-erythrodiol were isolated for the first time from this plant.
authors: College of Pharmacy, Woosuk University, 565-701, Samrye, Korea. dkkim@woosuk.ac.kr.
authors: Dae Keun
authors: DK
authors: Kim
authors: College of Pharmacy, Woosuk University, 565-701, Samrye, Korea.
authors: I I Yong
authors: II
authors: Nam
authors: College of Pharmacy, Woosuk University, 565-701, Samrye, Korea.
authors: Jin Wook
authors: JW
authors: Kim
authors: College of Pharmacy, Woosuk University, 565-701, Samrye, Korea.
authors: Tae Yong
authors: TY
authors: Shin
authors: College of Pharmacy, Woosuk University, 565-701, Samrye, Korea.
authors: Jong Pil
authors: JP
authors: Lim
keywords: 11-oxo-erythrodiol; Aquifoliaceae; Betulin; Betulinic acid; Betulone; Erythrodiol; Ilex macropoda; Lupeol