高氯酸

N-Carbobenzoxy-L-homoserinelactone was prepared via N-alkylation reaction of L-methionine and iodoacetamide with benzyl chloroformate as amino protecting agent.

以L-蛋氨酸为原料，氯甲酸苄酯为氨基保护试剂，与碘乙酰胺(I2微量)内酯化反应，合成N-苄氧羰基-L-高丝氨酸内酯。

Firstly, 3-ethylthiobutanal was prepared from crotonaldehyde reacting with ethanehiol in triethylamine with high yield. Secondly, methyl acetoacetate was converted to 6-ethylthiohept-3-en-2-one by three steps via hydrolysis, condensation with 3-ethyltio-butanal and dehydration, then 6-ethylthiohept-3-en-2-one was cycloco ndensed with dimethyl malonate by Michael addition and Claisen condensation, followed by saponification and decarboxylation to give the intermediate of 5-(2-ethylthiopropyl)-cyclohexane-1,3-dione.

首先，以巴豆醛与乙硫醇为原料，在三乙胺的催化作用下高收率制得3-乙硫基丁醛；然后从乙酰乙酸甲酯出发，通过碱水解、与3-乙硫基丁醛缩合、脱水三步反应合成6-乙硫基-3-烯-2-庚酮，接着6-乙硫基-3-烯-2-庚酮与丙二酸二甲酯通过Michael加成和Claisen缩合成环，再通过皂化和脱羧反应生成中间体5-[2-丙基]-1，3-环己二酮；再与丙酸酐反应丙酰化，最后与0-3-氯-2-丙烯基羟胺肟化，得到目标化合物烯草酮。

In this Ph. D. dissertation, reverse microemulsion method was fully used infabricating and modifying polyacrylamide with functional and high-relative moleculeweight. The copolymerization of 2-acrylamide-2-methylpxopanesulfonic acid, fluorescent monomer 4-methoxy-N-(2-N\', N\'-dimethylamino ethyl)naphthalimide alkyl chloride quaternary ammonium salt, fluorescentmonomer 4-(N\'-methyl-1-piperazinylallyl)-N-butyl-naphthalimide chloride quaternaryammonium salt, Cationic monomer dimethylethylammonium bromide and hydrophobical monomer octadecylacrylate with acrylamide and properties of the copolymers werestudied. The interaction between five polymers and Al_2O_3(012) crystal surface have beensimulated by Materials Studio 3.0 program package, binding energies and non-bondinteraction energies and deformation energies have also been acquired.

本文以制备具有较高相对分子质量和功能型PAM为研究目的，将反相微乳液法运用到其制备及改性的有关环节，通过反相微乳液聚合工艺，将几种改性功能单体2-丙烯酰胺基-2-甲基-丙磺酸、荧光单体2-(4-甲氧基-1，8-萘二甲酰亚胺基)-乙基二甲基烯丙基氯化铵、荧光单体4-(N'-甲基-1-哌嗪基)-N-丁基-1，8-萘烯丙氯季铵盐、阳离子单体丙烯酰氧乙基-二甲基-乙基溴化铵和疏水单体丙烯酸十八酯与AM共聚，制备AMPS改性PAM、荧光示踪型PAM、阳离子单体DMB改性PAM和OA改性PAM等四类不同功能单体改性PAM，并研究其应用性能。

This method is simple, fast and reliable for the quality control of disodium clodronate injection.

该方法简捷、快速、准确度高，可用于氯膦酸二钠注射液的质量控制。

The process of synthesizing DMGHCl with monochloroacetic acid as the starting material was simple and safte and the raw materials were easily obtained. It was suitable for Industry.

氯乙酸路线合成二甲基甘氨酸盐酸盐工艺简单，原料易得，安全性高，适合进行产业化。

We screened a set of Lewis base organocatalysts derived from chiral pipecolinic acid and tert-butanesulfinamide for the reduction of-N-Cbz-1- phenylpropenamine, including newly designed ones and some of those previously developed in our lab. However, only moderate stereoselectivities, albeit high yields were obtained.

在本课题组前期研究的基础上，我们筛选并设计了一系列以手性哌啶酸和叔丁基亚磺酰胺为母体的有机小分子路易斯碱催化剂，它们能催化三氯氢硅对-N-苄氧羰基-1-苯基丙烯胺的不对称还原，获得很高的收率和中等的对映选择性，并且具有很好的底物普适性。

The high-purity propionyl chloride was synthesized using propanoic acid and triphosgene as raw materials.

以丙酸和三光气为原料，用三光气法合成了纯度较高的丙酰氯。

Firstly the mid-pruduct imidazoline was produced by reaction of naphthenic acid and diethylene triamine, then the corrosion inhibitor amphoteric imidazoline, which is soluble in water, was produced by reaction of imidazoline and sodium monochloroacetate in aqueous solution.

以高纯环烷酸与二乙烯三胺反应合成了中间体咪唑啉，再以去离子水为溶剂，用氯乙酸钠对该中间体进行两性化，制得了水溶性两性咪唑啉缓蚀剂。

Based on RRS spectrum of the ion association complex, a highly sensitive, simple and rapid method for the determination of trace amounts of berberine has been developed and applied to the determination of berberine in pharmaceuticals and goldthread extracts with satisfactory results.

基于小檗碱与氯金酸反应产物的RRS光谱，发展了一种高灵敏、简便、快速测定小檗碱的新方法，用于中成药和中药饮片样品的测定，结果满意。

The conversion of the high-boiling components and low-boiling components of silane to valu- able methylchlorosilane by catalytic cracking and disproportionation catalyzed by acid treated active carbon andγ-Al_2O_3 was studied.

用酸处理的活性炭和γ-Al_2O_3组成双段催化剂，通过有机硅高沸物和低沸物的裂解歧化反应制备了甲基氯硅烷，考察了反应温度、质量空速等因素对反应的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。