neolignans相关论文
Six new oligomeric neolignans including two trimeric neolignans(1 and 2)and four dimeric neolignans(3–6)were isolated f......
A series of 2-aryl-5-alkyl-7-methoxylbenzo[b]furan derivatives have been synthesized by utilizing the coupling of methyl......
Four 1,4-benzodioxane neolignans were first synthesized from pyrogallol, in which the Claisen rearrangement was used to ......
自胡椒科胡椒属植物樟叶胡椒(Piper polysyphorum C. DC)中分离到六个新木脂素(neolignans)类化合物,经光谱(UV,IR,MS,~1H-NMR,~(1......
自福建产中药海风藤(Piper kadsura (Choisy)Ohwi)的藤茎中又分得5个苯骈呋喃类新木脂素,经光谱分析(UV,IR,MS,NMR,CD)和衍生物制......
自中药海风藤[Piper kadsura (Choisy)Ohwi]的藤茎中又分离得到四个macrophyllin型双环[3,2,1]辛烷类新木脂素,经光谱分析及衍生物......
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从广西大风子的皮中分离得到两个新木脂素1和2,并通过高分辨质谱和核磁共振确定了其结构.利用多种二维核磁共振技术,包括HSQC,HMBC,DQF......
以没食子酸甲酯为原料,经过6步反应(总产率为24%),对1,4-苯并二恶烷类新木脂素天然产物EusiderinG进行了全合成。合成反应的关键步骤是在强酸性离子交换树......
目的研究长白山刺五加茎中的化学成分.方法用体积分数为75%的乙醇对刺五加进行提取,提取物分别以正己烷、乙酸乙酯、正丁醇萃取.采......
本文对苯骈呋喃类和双环「3,2,1」辛烷类新木脂素的合成进行了综述。...