苯并咪唑

Methods This title compound was prepared using the O-phenylene diamine and the anisaldehyde as the raw material,methanol as the solvent,and the phosphoric acid makes the oxidant.

方法本课题以邻苯二胺和对甲氧基苯甲醛为原料，在甲醇为溶剂，磷酸为催化剂的酸性条件下，一步反应制得2-(4-甲氧基苯基)苯并咪唑。

Research results show that 25% Amistar SC could be used safely on Fuji, New Red Star, Beidou, Australian Green Apple, but it is harmful to Gala. Amistar has a great control effect on apple powdery mildew, apple scab and apple Alternaria leaf spot. The control effect works from 80% to 90% when it is used with 1:2000 to 1:3000 dilutions in field.

结果表明，25% Amistar SC除对嘎啦品种有药害外，对红富士、新红星、北斗、澳州青苹等6个骨干品种均无任何不良影响，使用安全；同时，25%阿米西达SC对苹果白粉病、黑星病及斑点落叶病等3种主要病害均具有显著防治效果，使用浓度1：2000~1：2500，防治效果为80%~90%；在广谱性和防效上显著优於目前生产上推广的常规性的苯并咪唑类、三唑类及代森类的杀菌剂品种。

Rabeprazole is contraindicated in patients with known hypersensitiity to rabeprazole, substituted benzimidazole or to any component of the formulation.

对雷贝拉唑敏感性高的病人禁用，代之以苯并咪唑或者任何同类组分

K-ATPase is the last passageway of gastric acid secretion.On the basis of synthesis of the H+K-ATPase inhibitor pantoprazole,twelve benzimidazole derivatives were synthesized for the first time,and their structures were proved by IR,1H-NMR and elementary analysis.

摘 要 H+/K+-ATP酶是胃酸分泌的最后环节，在合成H+/K+-ATP酶抑制剂泮托拉唑的基础上，设计合成了12个未见文献报道的苯并咪唑类衍生物，经红外光谱、核磁共振氢谱和元素分析确定了结构。

Two novel development accelerant s with function were synthesized from 6-amido-benzimid-azole, phenyl-hydrosulfuryl-triazole and ringy hydrazide. The structures were confirmed by IR, MS and elemental analysis.

以6-氨基苯并咪唑和苯基巯基三唑为吸附基团，以环状酰肼为显影促进基团，合成了两个新型功能性显影促进剂，其结构经IR，MS和元素分析确证。

The integrated analytical results show that the novel ligand coexists in ketoform and enolform structures under the measuring conditions, the ketoform structure may change into the enolform structure during the coordination and bonds with the central ion by two O atoms of the enolized hydroxyl group of pyrazolone ring and H2O and the N atom of the imine group and the N atom containing H of benzimidazole ring by losing the proton. And the coordination number of these complexes is four.

综合各种分析结果显示：配体在测试条件下以酮式和烯醇式结构共存，配位时酮式可能转化为烯醇式结构，按去质子的方式以吡唑啉酮环羟基和H2O上的两个O原子以及亚胺基上的N原子和苯并咪唑环上的含氢N原子与中心离子成键，配合物的配位数为4。

2 mercapto 5 methoxybenzimidazole,a key intermediate for the synthesis of omeperazole,was synthesized in 80% yield over two steps.

目的 合成奥美拉唑中间体2 巯基 5 甲氧基 1H 苯并咪唑。

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。

A series of 2-substituted benzimidazoles were synthesized by the reaction of o-phenylenediamine with corresponding acid in polyphosphoric acid under microwave. 11 Compounds were synthesized in this way first time.

以邻苯二胺及相应的羧酸为原料，微波辐射下，合成了18种2-取代苯并咪唑衍生物，其中11种化合物的微波合成未见文献报道，研究并优化了反应条件。

Eight kinds of 2-benzimidazolylalkylene derivatives in polyphosphoric acidhave been synthesized by multi-power bands microwave irradiation technique,starting from corresponding cinnamic acid compounds and they were characterized by~1H NMR,(~13C NMR and MS respectively.

以8种肉桂酸衍生物和邻苯二胺为原料，在多聚磷酸中，采用分段式微波辐射方法合成了8种2-苯并咪唑基烯烃衍生物，并通过1H NMR、13C NMR和MS进行了表征。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。