A lupane derivative and the 13C NMR chemical shifts of some lupanols from Pleurostylia opposita
作者:Anura P. Dantanarayana、N.Savitri Kumar、P.Mangala Muthukuda、Mohamed I、M. Wazeer
DOI:10.1016/0031-9422(82)83044-6
日期:1982.1
Abstract A new lupane derivative isolated from Pleurostylia opposita has been assigned the structure 6,β-hydroxy-lup-20(29)-en-3-one, using spectral evidence and chemical interconversions. The 13C NMR spectral assignments of 20-hydroxy-lupan-3-one, 6β, 20-dihydroxy-lupan-3-one, 6β,28-dihydroxy-lup-20(29)-en-3-one and 20-hydroxy-lupane-3, 6-dione previously isolated from the same plant are also reported
摘要 利用光谱证据和化学互变,从 Pleurostylia opposita 中分离出的一种新的羽扇豆衍生物被指定为结构 6,β-hydroxy-lup-20(29)-en-3-one。20-羟基-lupan-3-one, 6β, 20-dihydroxy-lupan-3-one, 6β,28-dihydroxy-lup-20(29)-en-3-one 和 20-hydroxy-lupan-3-one 的 13C NMR 光谱归属之前从同一植物中分离出的 -lupane-3, 6-dione 也有报道。