Structure Determination of Bitter Principles of<i>Ailanthus altissima</i>. Structures of Shinjulactones B, D, and E
作者:Tetsuo Furuno、Masami Ishibashi、Hirokazu Naora、Tatsushi Murae、Hiroshi Hirota、Takahiko Tsuyuki、Takeyoshi Takahashi、Akiko Itai、Yoichi Iitaka
DOI:10.1246/bcsj.57.2484
日期:1984.9
Four new quassinoids, shinjulactones F, I, J, and K were isolated from Ailanthus altissima SWINGLE. The structure of shinjulactone F was established to be 1α,11-epoxy-1β,20-dihydroxy-5βH-picrasa-3,9(11)-diene-2,12,16-trione by X-ray diffraction analysis. The structures of shinjulactones I, J, and K were determined to be 11α-acetoxy-2α, 12α-dihydroxypicrasane-1,16-dione, 1β,12β-dihydroxypicrasane-2
从臭椿 SWINGLE 中分离出四种新的 quassinoids、shinjulactones F、I、J 和 K。通过 X 射线衍射分析,shinjulactone F 的结构确定为 1α,11-epoxy-1β,20-dihydroxy-5βH-picrasa-3,9(11)-diene-2,12,16-trione。shinjulactones I、J 和 K 的结构确定为 11α-acetoxy-2α、12α-dihydroxypicrasane-1,16-dione、1β,12β-dihydroxypicrasane-2,11,16-trione 和 12α-acetoxy-2α ,11α-dihydroxypicrasane-1,16-dione,分别通过光谱和化学手段。