吡啶

In our paper,1-hexylcarbamoyl-5-fluorouracils and1-cyclohexyl-carbamoyl-5-fluorouracils were prepared through 5-fluorouracil reacting with hexyl isocyanate or cyclohexyl isocyanate by using dimethylaminopyridine as the catalyst.

以5-氟尿嘧啶(5-FU)、正己基异氰酸酯和环己基异氰酸酯为原料，在N，N-二甲氨基吡啶的催化下，通过N-脲化反应制成1-己基氨基甲酰基-5-氟尿嘧啶及1-环己基氨基甲酰基-5-氟尿嘧啶。

Our company treasures technical innovation and development of new products. On the basis of stable food grade,pharmagrade glycine,we have also developed compound amino acid,4pyridone,hydantoin and Nbenzylglycine ethyl ester etc.

本公司十分注重技术创新和新产品开发，在稳定食品级，医药级甘氨酸等老产品生产的基础上，又开发了蚕蛹复合氨基酸，4羟基吡啶，海因，N苄基甘氨酸乙酯等产品。

The yields were better when DHPCE with nitro group in meta or ortho position of the benzene ring were hydrolyzed in basic conditions, while the hydrogenolysis and acidic reactions gave very poor yields.

当苯环的间位和对位存在硝基，碱性水解时，在二氢吡啶环的3位引入氯乙醇的酯能得到较好的收率；酸性水解和氢解法则不宜用来合成ADHPA。

The synthesis, crystal structure and characterization of 4, 5-dimethyl-2-(2-pyridyl) imidazole were reported.

为了制备研究2-取代咪唑配合物，设计合成了4， 5-二甲基-2-（2-吡啶基）咪唑，用IR、MS、1H-NMR对其结构进行了确证，并对其晶体结构进行了分析。

The bioluminescence inhibition of N-hexylpyridinium b is imide and dichlorvos to Vibrio-qinghaiensis sp.-Q67 was determined by the microplate toxicity analysis.

应用微板毒性分析法，首先测定了离子液体N-己基吡啶双酰亚胺与敌敌畏对青海弧菌Vibrio-qinghaiensis sp。

Two new chiral salen-manganese complexes were synthesized and employed in the enantioselective epoxidation of indene in the presence of pyridine N-oxide and ammonium acetate as cocatalysts, respectively.

合成了两个新型的手性salen-manganese配合物，在分别以吡啶氮氧化物和醋酸铵为助催化剂的条件下，运用于催化茚的不对称环氧化反应。

These kinds of complexes have steady thermodynamics property and abundant information of photochemistry and photophysics,which can bond with DNA by the mode of insert,static,chimb-face combine.In this paper,bipyridyl was selected as ligand.

金属吡啶配合物与DNA相互作用的研究一直是生物无机化学领域十分活跃的研究课题，此类配合物的热力学性质稳定，光化学和光物理信息丰富，能够以插入、静电和沟面结合三种方式与DNA作用。

Despite their insolubility in many organic solvents, they are found to be soluble in nitrogen-containing solvents, such as DMF and pyridine.

这些化合物具有较好的稳定性，在胺类或其它含氮的有机溶剂中有较好的溶解度，如苯胺、二甲基甲酰胺或吡啶等。

Objective To investigate the safety and efficiency of ticlopidine and warfarin on intracardiac mural thrombus.

目的观察噻氯吡啶与华法林在治疗心腔内附壁血栓的疗效及安全性。

The main product was 4-oxo-β-ionone with a yield of 50.2% and a purity over 98.5% under O2 pressure(1MPa) at 75℃ with additive pyridine over catalyst CuL^2 in 10h.

以CuL^2作催化剂，当反应时间为10h、反应温度为75℃、催化剂用量为1.6%、O2气压力为1MPa、添加摩尔分数为30%吡啶时，4-氧代－β-紫罗兰酮的收率为50.2%，纯度超过98.5%。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了