sesquiterpene相关论文
目的研究全缘橐吾根部的化学成分及生物活性。方法采用柱层析对全缘橐吾根部的提取物进行分离提纯得到单体化合物,并用现代波谱方......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
A New Sesquiterpene from Transformation of Curdione by Cell Suspension Culture of Platycodon Grandif
A new sesquiterpene was isolated from transformation of curdione by cell suspension culture of Platycodon grandi florum.......
Two new compounds, namely 7α, 10α-dimethyl-3β-isopropene-1, 2-ene-octahydronaphthalene (1) and ethyl 5Z,8Z, 11Z, 14Z-......
A novel dimeric eremophilane, ligulolide B, was isolated from the alcoholic extract of the whole plant of Ligularia virg......
Volatile compounds in fresh and fermented sweet potato tips at 0,10,20,30,and 40 d during fermentation were investigated......
A new sesquiterpene (Z)-7-acetoxy-methyl-11-methyl-3-methylenedodeca-1,6,10-triene (AMDT) was isolated and identified fr......
From Senecio saluenensis,a novel eremophilanolide Saluenolide A was isolated.Its structure was elucidated by 2D-NMR tech......
A new sesquiterpene: 11,12,13-trihydroxy-4(15),7(8)-eudesmdien-9-one was isolated from Saussurea parviflora. The structu......
a new highly oxygenated eremophilenolide was isolated from Ligulariopsis shichuana. Its structure was elucidated by NMR ......
Chemical investigation of L.sagitta afforded two new eremophilenolides, which were identified as 6β-angeloyloxy-10β-hy......
A new sesquiterpene polyol ester, angulatin D, has been isolated from the root bark of Celastrus angulatus. The chemical......
A protoilludane sesquiterpene (named xanthocerapene) was isolated from the wood of Xanthoceras sorbifolia Bunge. Its str......
A new picrotoxane type sesquiterpene named dendrodensiflorol has been isolated from the stems of Dendrobium densiflorum.......
Two new dihydroagarofuran sesquiterpenes with a novel substitution pattern: 1α-(α-methyl)-butanoyl-2α, 15-diacetoxy-4......
A new guaianolide was isolated from Saussurea macrota.Its structure was elucidated by NMR spectroscopic and X-ray diffra......
A new guaianolide was isolated from the roots of Scorzonera austriaca. The structure was elucidated on the basis of spec......
A new sesquiterpene with a unusual modified germacrane skeleton was isolated from the ethanol extracts of the roots of B......
Chemical investigation of L. tongolensis afforded two new eremophilenolides, which were identified as 3β-(2′-methylbut......
Two new germacrane sesquiterpenes: 3,8,14-trihydroxy-1(10)E,4Z, 11(13)-germacratrien-12, 6-olide, 8-(2-methyl-4-hydroxyl......
Two new bisabolane sesquiterpenes were isolated from the roots of Leontoptdium longifolium. Their structures were elucid......
Two new eudesmane derivatives were isolated from the leaves and flowers of Verbesina virginica, along with the known 6-O......
用X-衍射对羊角天麻素Ⅰ晶体进行立体结构测定,得出羊角天麻素Ⅰ晶体的立体构型、非氢原子的键长、键角和分数坐标及其等效热参数.......
总结了1989年至2005年间八角属植物化学成分的研究情况,详细列出了在此期间发现的新倍半萜类化合物,包括名称、骨架类型、生物来源和......
利用硅胶柱层析、Sephadex LH-20凝胶柱层析及高效液相等多种方法对中药香附(Cyperusrotundus L.)95%甲醇提取物的石油醚萃取物中......
本文综述了近30年来4,4-二甲基-2-环戊烯-1-酮在天然萜类合成中的应用。...
从栓菌属真菌Trametes sp. G048的发酵液和菌丝体中分离并鉴定出6个化合物,经波谱数据分析分别鉴定为isodrimenediol diacetate(1)i......
为了解鸦胆子(Brucea javanica)的化学成分,从鸦胆子果实中分离得到13个已知化合物,经波谱学分析鉴定为:对羟基苯甲醛(1),对羟基苯甲酸(2),3,4......
目的研究石菖蒲的化学成分。方法采用硅胶柱色谱、Sephadex LH-20柱色谱等分离方法分离纯化化合物,运用1D-NMR、2D-NMR等光谱数据......
利用不对称双羟化反应和Raney镍的原位还原, 高对映选择性和高产率地实现了(S)-(+)-α-姜黄烯(1)的立体选择性合成.用MsCl保护化合......