[来自变色马兜铃（Aristolochia versicolar S.M. Hwang）的变色内酯A的结构]
[The structure of versicolactone A from Aristolochia versicolar S.M. Hwang].
作者信息
Zhang J, He L X, Xue H Z, Feng R, Pu Q L
机构信息
Nanjing Research Institute of Wild Plants.
出版信息
Yao Xue Xue Bao. 1991;26(11):846-51.
PMID:1823979
Abstract
A novel sesquiterpene lactone, versicolactone A, with 12-carbon ring skeleton, was isolated from the roots of Aristolochia versicolar S. M. Hwang. Versicolactone A, C15H20O2, colorless prisms, mp 130-132 degrees C, [alpha]6D +486 degrees (c 0.1276, CHCl3). Its structure was established by spectroscopic methods, mainly 2D-NMR (1H-1H COSY, 1H-13C COSY, COLOC), HRMS and metastable ion measurement.
摘要
从变色马兜铃（Aristolochia versicolar S. M. Hwang）的根中分离出一种具有12碳环骨架的新型倍半萜内酯——变色内酯A。变色内酯A，化学式为C15H20O2，呈无色棱柱体，熔点130 - 132摄氏度，[α]6D +486度（c 0.1276，氯仿）。其结构通过光谱方法确定，主要是二维核磁共振（1H-1H COSY、1H-13C COSY、COLOC）、高分辨质谱和亚稳离子测量。
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