化合物

In this paper, we studied the synthesis of novel imidazolones by utilizing aza-Wittig reaction. The spectral properties and biological activities of imidazolones were also researched and some of them were found to show good fungicidal activities.

本论文研究了应用氮杂Wittig反应，来合成新型咪唑啉酮类化合物，并探索了所合成化合物的波谱性质与生物活性，发现部分化合物具有良好的杀菌活性。

Preliminary antitumor activity in vitro of the new compounds indicated that the compounds have obvious inhibitory effect on human leukaemia cell (HL-60) and human galactophore cancer cell (MDA-MB-468) in the concentration of 10-4 mol/L. This result is a basis for further study on the synthesis and biological activity of this kind of compounds.

对所合成的10个新化合物进行了抗肿瘤体外生物活性试验，初步生物活性实验结果表明，该类化合物在浓度为10-4 mol/L时对人白血病细胞株(HL-60)和人乳腺癌细胞株(MDA-MB-468)有明显的抑制作用，在浓度为10-5 mol/L时没有明显的抑制作用，这一研究结果为进一步研究此类化合物的合成、生物活性的研究奠定了基础。

We select pharmacodynamics index, establish animal model, and carve availability group according to pharmacological experiments. And draw a conclusion that the 60%EtOH extr. is availability group. In this group, 15 compounds have been isolated, 13 are identified, 6 are the first isolation from Galium verum L., 2 are the compounds that no document reports. Most of the compounds are flavonoids, others are organic acid and anthraquinone.

本课题首先选取治疗下肢静脉炎相关的药效学指标，建立动物模型，在药理学实验的基础上，确立大孔树脂60％乙醇洗脱部位为有效部位，继而对该部位进行进一步的化学研究，分离出单体化合物15个，鉴定结构13个，其中有6个是从蓬子菜中首次分离得到，有2个化合物是国内外文献中未见报道的化合物，结构鉴定工作正在进行中。

Two compounds were isolated from the active part and we identified them according to their spectrum data and physical and chemical character. One is gentiopicrin and the other is trifloroside.

通过对有效部位化学成分的分离，得到两个化合物，根据理化性质和光谱数据鉴定，化合物Ⅰ为龙胆苦苷，化合物Ⅱ为三花龙胆苷。

The final compounds structures were characterised by 1HNMR, elemental analysis and IR as well. Herbicidal activity of the compounds was evaluated both in vitro and in vivo. The results showed that most of them had good biological activities.

设计合成了一系列新化合物，合成得到38个中间体，均得到了1H核磁共振证实；14个目标化合物，全部通过了1H核磁共振和元素分析的证实，部分化合物还得到了红外光谱的验证。

Preliminary bioassay showed that all the synthesized compounds just showed a poor inhibition rate (0~45%) at 500 mg/L, much weaker than (72%~87%). The result suggested that chloro-atom on 2-position of pyridine ring may be indispensable for herbicidal activity.

初步除草活性测定结果表明，在500mg/L剂量下，所有化合物的除草活性（抑制率0~45%）远低于先导化合物（抑制率72%~87%），说明吡啶环2-位上的氯原子可能对维持该类化合物的除草活性是必需的。

Y. Wu et Hsuan gave twenty two compounds by the separation methods of column chromatography and preparation thin layer chromatography.

我们从紫花野芝麻的乙醇提取物中分离得到了22个化合物，运用化学和波谱学方法鉴定了其中的20个化合物的结构，这些化合物均首次从该植物中分离得到。

A composition that can be used as catalyst is disclosed, which comprises or is produced by combining, a titanium compound; either a complexing agent, a combination of a complexing agent, hypophosphorous acid or a salt thereof, and optionally a solvent, a zirconium compound, or both, combinations thereof; a phosphorus compound; and, optionally, a solvent.

公开了一种可用作催化剂的组合物，该组合物包括钛化合物；络合剂，或络合剂、次磷酸或其盐和选择性使用的溶剂、锆化合物或二者的组合，或它们的组合；磷化合物和选择性使用的一种溶剂；或是用它们的组合制成的催化剂。

The behaviors of supramolecular self-assembly of cabboxyl porphyrin-anthraquinone systems, carboxyl porphyrin zinc-copper systems, porphyrinatozinc-imidazolyl tailed porphyrinatomanganese systems, porphyrinatozinc-anthraquinone hybrids/imidazolyl tailed porphyrinatomanganese systems and porphyrinatozinc-fluorescein hybrids/imidazolyl tailed porphyrinatomanganese systems driven by hydrogen-bonding or coordination-bonding have been studied.

设计、合成了多种新型羧基卟啉、卟啉-蒽醌二元化合物和卟啉-荧光素二元化合物，研究了氢键或配位键驱动的羧基卟啉-蒽醌、羧基卟啉锌-羧基卟啉铜、锌卟啉-咪唑基尾式卟啉锰二元超分子，卟啉-蒽醌二元化合物与咪唑基尾式卟啉锰三元超分子的构建和光诱导电子转移性质。

Since many phenylvinyl ketone derivatives showed a certain anti- inflammatory activity, the indolyl group is introduced to this skeleton, and thus a series of 1, 4-penten-3-one derivatives characteristic of the structures of both phenylvinyl ketone and indole have been synthesized and characterized by elemental analyses, MS, UV-vis, and 〓 NMR as well. All these compounds are found to be trans-isomers.

考虑到苯乙烯酮类化合物的抗炎活性，本文将吲哚基团引入到该类化合物上，设计合成了一系列新的兼具苯乙烯酮和吲哚二者结构特征的1，4-戊二烯-3-酮衍生物Al-A24，并对其进行了表征，发现所有这些化合物均为反式构型。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。