唑

Two synthetic routes starting from 1,3-dihydroxyacetone and formamidine acetate as well as imidazole-4,5-dicarboxylic acid as starting material were investigated, and the reductive reaction of ethyl imidazole-4-carboxylate was also investigated.

本文对以1，3-二羟基丙酮和醋酸甲脒为原料和以4，5-二羧酸咪唑为原料合成4(5)-羟甲基咪唑的两条工艺进行了研究并优化，同时对4(5)-羧酸咪唑乙酯的还原反应进行了探索性实验。

Dihydroxyacetone; formamidine acetate; imidazole-4,5-dicarboxylic acid; optimizing process; ethyl imidazole-4-carboxylate; reductive reaction; 4(5)-hydroxymethylimidazole

关键字或关键词组： 1，3-二羟基丙酮；醋酸甲脒；4，5-二羧酸咪唑；工艺优化；4(5)-羧酸咪唑乙酯；还原反应；4(5)-羟甲基咪唑

Gallinae remarkably; Anticandine, Ciprofloxacin and Complex Sulfamethoxazole had partial inhibition effect; Tylosin, Complex Licorice and Berberine Hydrochloride had little effect.

结果表明，二甲硝唑、替硝唑具有显著的杀毛滴虫作用，制霉菌素、环丙沙星、复方磺胺甲唑仅有部分抑制作用而不能将滴虫完全杀灭，泰乐菌素、复方甘草、盐酸小檗碱杀虫作用不明显。

Methods Both a rat model with habenular lesion and a hypnotic-treated rat model were established by passing a DC current or by infusing with zolpidem into the stomach and then the rats were divided randomly into habenular sham group,habenular lesion group,vehicle group and zolpidem group.The mRNA levels of adenosine and 5-HT-related genes were examined by RT-PCR in the PO/AH.

以30只雄性Wistar大鼠为实验动物，直流电损毁缰核或灌胃给予催眠药唑吡坦建立缰核损毁大鼠(n=15)和唑吡坦处理大鼠(n=15)两种动物模型，随后随机将大鼠分为缰核假手术组(n=7)、缰核损毁组(n=8)、生理盐水对照组(n=7)和唑吡坦处理组(n=8)。

Its dextrorotatory substant is an antidepressant which does not have the helminthic effect.

所不同的是四咪唑为外消旋体，左旋咪唑是四咪唑经过化学方法处理后拆分而成的左旋体。

It solves the problem of water soluble iminazole and other low molecular easy runs off slowly following water vapor in sulfonated polymeric compound or iminazole composite film, can be used for moderate temperature proton exchange film fuel cell.

采用齐聚物取代咪唑等小分子，可解决磺化聚合物/咪唑复合膜中水溶性的咪唑等小分子易随水汽慢性流失的问题，可应用于中温质子交换膜燃料电池。

An unreported compound 2-cyclopropylbenzimidazolium salt was obtained from 2-cyclopropyl benzimidazole and iodomethane.

以邻苯二胺和环丙基甲酸为原料，以多聚磷酸为催化剂，在微波辐射下合成了环丙基苯并咪唑，用碘甲烷季胺化得到未见文献报道的环丙基苯并咪唑盐，通过苯并咪唑盐与Grignard试剂加成后水解反应制备环丙基甲基酮。

Two isoxazole intermediates containing 1,2,3triazolyl and carbonyl ,which can also be used as intermediates for synthesis of new heterocyclic compounds,have been synthesized.

以2-苯基-1，2，3-三唑-4-甲醛为原料，合成2种在异噁唑环上同时含有1，2，3-三唑基和羰基的新型化合物，它们可作为合成其他杂环化合物的中间体，其分子结构经IR，1HMR，MS谱确证

Based on this core reaction, two significant libraries of isoxazole and triazole substituted methane derivatives and triazole substituted triazine derivatives were synthesized concisely from the inexpensive and readily obtainable small molecular starting materials which had been used in previous two chapters mostly.

以此为核心，以价廉易得的小分子原料通过数步反应，分别合成了异噁唑、三氮唑杂环取代的甲烷衍生物和三嗪联三氮唑杂环衍生物这两个比较有意义的小分子化合物库，达到了分子的多样化。

Leucamide A, a bioactive cyclic heptapeptide containing a unique mixed 4,2-bisheterocycle tandem pair consisting of a methyloxazole and thiazole subunit was first isolated from Australian marine sponge Leucetta microraphis.

Leucamide A是从澳大利亚海绵Leucetta microraphis中分离而得到的一种天然环肽化合物，由氨基酸及氨基酸衍生物组成：L—亮氨酸，噁唑，L-丙氨酸，甲基噁唑，噻唑，L—缬氨酸和L-脯氨酸。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。