A New Cyclohexene Oxide from Uvaria tonkinensis var.subglabra

A new compound, subglain B, was isolated from the stems of Uvaria tonkinensis var. subglabra and its structure was identified as 1S, 2R, 3S, 6R-1-benzoyloxymethylene-1,2- dihydroxy-3-benzoyloxy-6-chlorocyclohex-4-ene (1), by spectral evidences.

紫玉盘属植物乌藤化学成分研究

目的:分离鉴定乌藤中化学成分。方法:采用各种色谱法进行分离,运用多种波谱方法鉴定化合物结构。结果:分离并鉴定了7个化合物,分别是乌藤素C(1),-βsenepoxide(2),2,4-二羰基六氢-1,3-二氮杂卓(3),山柰酚-3,7-O-α-L-二鼠李糖苷(4),安诺洛宾(anolob ine,5),(-)-lyon iresinol(6)和sch izandriside(7)。结论:化合物1是新化合物,化合物2~7为首次从该植物中分离得到。