银袋内酯丁的结构
THE STRUCTURE OF VERSICOLACTONE D
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摘要: 从变色马兜铃中分离得一双缩倍半萜内酯,银袋内酯丁(versicolactone D,B1),经IR,UV,MS,1HNMR,13CNMR,1H-H COSY,13C-1H COSY和X-ray衍射等确定系一新型骨架的化合物。Abstract: The extracts of Aristolochia versicolar S.M. Huang root afforded a new dimeric sesquiterpene lactone, versicolactone D, with a novel skeleton. Its structure was established by spectroscopic methods, mainly X-ray and 2D-NMR.
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