J Integr Plant Biol. ›› 1985, Vol. 27 ›› Issue (4): -.

• Research Articles •    

The Structure of Remsamabilinin B

Rui He-kai, He Qing-ying, Yu Qiu-mei, Gan Li-xian and Chen Yu-qun   

Abstract: A new cucurbitacin glycoside, named hemsamabilinin B (2), was isolat-ed from Hemsleya amabilis Diels. 2 was hydrolyzed by enzyme on acid to produce 23,24-dihydrocucurbitacin F (3) or D-glucose respectively. On the basis of the spectrosco-pic data of 2 and its acetate (4) (1H NMR, 13CNMR and MS), the structure of 2 wasassigned as 2-0-β-D-glucopyranoside of 3.

Key words: Hemsamabilinin B, Cucurbitacin glycoside, triterpenoid glycoside

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