[䏿–‡å��ç§°]å †å¿ƒè�Šè‹¦ç´
[英文�称]Heleniamarin
[别  �]
[化å¦å��ç§°]2H-1,4-Dioxabicyclopent [cd,f]azulene-3,9-dione-3,9-dione, 2a,4a,5,6,8,9a,9b,9c-octahydro-2-hydroxy-2,2a,6,9a-tetramethyl-, [2S-(2α,2aβ,4aα,6β,9aα,9bβ,9cβ)]-
[分 å� å¼�]C17H22O5
[分 å� é‡�]306.14
[物ç�†æ€§è´¨]棱柱状结晶(乙醚), 熔点151~153°, (α)25D+58.5°(C=0.25, 氧仿) 。LRλKBrmax cm-1: 3450(br.), 1755(sh), 1750; UVλMeOHmax nm(ε): 278(66),226(335); MSm/e(ï¼…): 306, 283(3), 264(30), 246(3), 235(100); NMR(CDCI3)δ: 1.22(s,3H), 1.23(d, J=7), 1.28(s,3H), 150(s,3H), 2.82(t,J=2,1H), 2.97(t,J=2,1H), 3.60(s,1h,与D2Oå�¯äº¤æ�¢), 4.07(d,J=6.6,1H), 5.03(br,t,J=1,1H), 5.78(br.s,1h) 。
[�分分类]
[��作用]对人体鼻咽癌(KB)细胞有细胞毒活性
[毒  性] (考试大网站整�)
[�良�应]
[用  途]
[æˆ�分æ�¥æº�]è�Šç§‘æ¤�ç‰©è‹¦å‘³å †å¿ƒè�Š Helenium amarum (Rafin.)H. Rock.

