目的　对地胆草的化学成分进行研究。方法　通过理化性质和波谱分析方法对结构进行鉴定并通过二维核磁共振技术 (1H 1HCOSY ,HMQC ......

莨菪烷生物碱(tropane alkaloids)是指在其分子中存在着一特殊系统环——莨菪烷(tropane)骨架的一类化合物。天然出现的莨菪烷生......

In the synthesis of l-phenyl-5-substituted amino-4-pyrazole N-alkyl amide,it was found for the first time that one of t......

Two new prenylflavonoids,mornigrol E(1) and mornigrol F(2) were isolated from Morus nigra L.Their structures were elucid......