The Synthesis and Spectra Property of 1,8- Naphthalimide Derivants;
合成了四种具有推拉电子结构的1，8-萘酰胺衍生物。
Objective: To investigate the derivants of bergenin through structural modification and their activity of anti-tumor cells.
目的：探讨岩白菜素经结构修饰得到的衍生物以及它们的抗肿瘤细胞的活性。
METHODS:To isolate the flavonoides and sitosterol derivants, the solvent extraction together with the column, chromatography and TLC methods were used.
方法：采用溶剂分离法结合柱色谱法进行成分分离。
By this research, 23 triterpenoid derivants have been prepared by structural modification of ursolic acid and oleanolic acid, and most of them are new compounds.
通过该课题的实施，对熊果酸及齐墩果酸结构进行修饰和改造，共计获得了23种三萜类衍生物，其中大多为新化合物。
The invention provides a pure organic dye adopting multiple heterocycles and derivants thereof as a conjugated unit and a dye-sensitized solar cell prepared thereby.
本发明提供了以多种杂环及其衍生物作为共轭单元的纯有机染料和由其制备的染料敏化太阳电池。
Oxidative methods to prepare not only 1,3-Diphenyl guanidine but also other guanidine derivants were introduced through studying chemical bonds of thiourea derivants in this paper.
通过对硫脲衍生物分子化学键的研究，发现了氧气法不仅适用于生产二苯胍，还适用于生产其他胍衍生物。
Oxidative methods to prepare not only 1,3-Diphenyl guanidine but also other guanidine derivants were introduced through studying chemical bonds of thiourea derivants in this paper.
通过对硫脲衍生物分子化学键的研究，发现了氧气法不仅适用于生产二苯胍，还适用于生产其他胍衍生物。
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