Two New Iridoid Glucosides from Clerodendrum serratum

来源 :中国化学快报(英文版) | 被引量 : 0次 | 上传用户:BluePenguin
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Two new iridoid glucosides, named 7β-coumaroyloxyugandoside (1) and 7β-cinnamoyloxyugandoside (2) were isolated from the leaves of Clerodendrum serratum, and their structures were elucidated by spectral means.
其他文献
The crystal of the title compound (C11H11 NOS2, Mr = 237.33) has been prepared and determined by X-ray single crystal diffraction. The crystal is monoclinic, sp
1-Ethyl-2-fluoropyridinium tetrafluoroborate(FEP)was shown to be a very efficient coupling reagent for the synthesis of the hindered peptide with fast reaction
对 3 酰基 2 ,4 吡咯烷二酮 (1)及其N 酰基衍生物 (2 )的各种异构体 (a -e)分别进行了HF/6 31G和HF/6 31G 水平上的优化计算 ,并考虑电子相关效应 (MP2 /6 31G )对其能
报道Ru(bpy) 3 2 + 配合物取代基效应的量子化学密度泛函 (DFT)法研究的结果。探讨Ru(bpy) 3 2 + 的三个配体bpy(2 ,2′ 联二吡啶 )被取代基 (-NH2 ,-OH ,-NO2 )对位双取代后
Crystal and molecular structure of (2,6-dipropylphenylamide) dimethyl (tetra-methyl cyclopentadienyl) silane titanium dichloride (I) was fully characterized by
用PM3分子轨道方法研究了α-环糊精的包合作用对环己烷构象平衡的影响。发现α-环糊精的包合作用可以改变环己烷的构象平衡。计算结果表明,虽然环己烷的椅式构象比船式构象稳
The spinel LiMn2O4-δ Fδ cathode materials were synthesized by solid-state reaction, with calculated amounts of LiOH·H2O, MnO2(EMD), LiF. The results of elect
用高灵敏的光腔衰荡光谱 (CavityRing -DownSpectroscopy)方法探测到了正丙醇波长在 6 2 0和 70 0nm附近的高激发泛频振动光谱 ,将其归属于分子不同稳定构象的O -H伸缩振动(
A new conductivity detector for capillary electrophoresis consisting of an electrochemical cell and a conductive meter was developed. In the cell, the microelec
数学建模教育就是指在数学教学过程中将生产、生活中一些实际的问题用简单、逻辑的数学语言或符号表达出来,然后用我们熟悉的数学方法解决这些问题.