咪唑

The result of preliminary bioassay shows that the target compounds had obvious specificity to different bacteria at 0.1%, and had an inhibitory rate of 100% on Monilia albican and Escherichia coli.

抑菌测试结果表明，质量分数为0.1%时，N，N'-二（2-羟苄基）取代咪唑烷化合物对不同菌株的抑菌活性具有明显的特异性，对白色念珠菌、大肠杆菌的抑菌率达100%。

After coupling diazotized p-chloroaniline with imidazole, the resulting monoazo dye is quaternized with dimethyl sulfate. Upon dimethylamination, the ...

对-氯苯胺重氮化后，与咪唑偶合，生成单偶氮染料，与硫酸二甲酯季铵化，所得季铵化合物再经二甲胺基化即为题示染料。

The α-monobromination of 2-pentone,4-methyl acetophenone,4-methoxyacetophenone,6-methoxy-2-acetylnaphthane,2,2,5,5-tetramethyl-3-hexanone,cyclooctanone,cyclododecanone with respectively,were studied.

研究了离子液体三溴化1-丁基-3-甲基咪唑[Br3]对2-戊酮、4-甲基苯乙酮、4-甲氧基苯乙酮、6-甲氧基-2-乙酰基萘、2，2，5，5-4-甲基-3-己酮、环辛酮、环十二酮、丁醛等羰基化合物的α-溴化反应。

Linear dimerization of isoprene to form myrcene ;2. Synthesis of Unsaturated Cyclothioethers byCycloaddition Reactions of Myrcene;3. The traditional synthesis is by the way of Diels-Alder reaction of myrcene with acrolein over Lewis acid catalysts in organic solvent.

二烷基咪唑或烷基吡啶卤化物与ZnCl2 构成一类新型的具有Lewis酸性的离子液体，以其为催化剂和反应介质，通过月桂烯与丙烯醛的Diels Alder反应高区域选择性地合成了对位柑菁醛。

The result:(1), Both the nocuous stimuli such as transcutaneous electrical stimulation and coronary artery occlusion are effective on increasing the discharge of Pf.

咪唑安定对CAO引起的大鼠丘脑束旁核感受伤害性神经元的放电增加的抑制作用可被其特异性拮抗剂氟吗西尼所逆转。

The electron impact mass spectra of noncyclic crown ether s with heterocyclic methmazole as terminal groups 1a￣4a and fo were given and discussed in the present article.

本文给出以杂环甲巯咪唑为端基的非环冠醚1a～4a及1a的异构体1b的电子轰击质谱并讨论之。

In the thesis, a series of novel single and multi-armed oxadiazole bridging ligands and pyridyl-4, 5-imidazole dicarboxylic acid ligands have been synthesized. The coordination chemistry of these novel ligands with transition metal ions was investigated. In addition, two 1, 3, 4-oxadiazole bridging ligands end-capped by chelating Schiff-base coordination sites have been designed and synthesized. The coordination chemistry based on one of the two ligands with metal ions was primarily investigated.

本文报道了一系列新颖的含1， 3， 4-Oxadiazole杂环的单臂及多臂有机配体，研究了它们与过渡金属离子的配位反应化学；合成了吡啶基-4，5-咪唑二羧酸有机配体，研究了它们在水热条件下与过渡金属离子的配位反应化学；另外，还合成了1， 3， 4-Oxadiazloe杂环桥联的双Schiff-base有机配体，初步探讨了其与过渡金属离子的配位反应化学。

Equilibrium constants for reactions of ZnTPP (parasubstituted zinc tetraphenylporphyrins) with ligands of Schiff base complex in CH2Cl2 and several other solvents have been measured by visible spectral techniques, and determined by the method of Rose-Drago.

用紫外-可见光谱和Rose-Drago数据处理方法对多种新型空间不对称含咪唑基团金属Schiff碱配合物与取代四苯基卟啉锌轴向配位反应平衡常数进行了测量。

During the process of imidacloprid preparation, using phosphorus pentachloride dehydration and greatly excess 2-nitroiminoimidazolidine, the yield may reach 90%, and the purity is over 95%, so this a fairly good synthesis method.

吡虫啉合成中用五氧化二磷脱水法和过量2-硝基亚氨基咪唑烷法收率接近90%，纯度达95%以上，是较佳的合成方法。

Deoxybenzoin(3) was prepareded by using the resorcinol and substituted phenylacetic as starting meterials in microwave-mediated.Then the compound(3) was reacted with acetic anhydride to produce(4).The compound(4) was hydrolyzed to convert compound(5) in the acid-mediated. The compound(5) was reacted with the 1,2-dibromo-ethane and 1,3-dibromo-propane in refluxed condition with acetone as solvent to give(6) or(7),respectively.Lastly,the title compounds were synthesized by refluxing(6) or(7) with 2-methyl-benzimidazole and potassium carbonate in acetone solution.

以取代苯乙酸和间苯二酚为起始原料，用微波辐射法合成脱氧安息香(3)，(3)与乙酸酐缩合生成2-甲基-7-乙酰氧基异黄酮(4)，(4)在酸性条件下水解生成相应的异黄酮(5)，化合物(5)分别与1，2-二溴乙烷和1，3-二溴丙烷反应生成(6)和(7)，化合物(6)和(7)再分别与2-甲基苯并咪唑偶合生成目标化合物。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。