化学合成

Starting from tetrafuran, 2_(4_Aminosulfonylphenyl)_4H_1,2_thiazine_1_dioxide, an antiepileptic drug with special structure, was obtained via esterification, sulphonation, chloridization, condensation and cyclization.

以四氢呋喃为原料，经酯化、磺化、酰氯化、缩合、环化等步骤，合成了化学名为 4_(四氢_2H_1，2_噻嗪基_2 )苯磺酰胺_S_S_二氧化物的抗癫痫药舒噻嗪，通过IR、1HNMR和元素分析对其结构进行了表

Synthesis of the antiepileptic tiagabine hydrochloride;2. Starting from tetrafuran, 2_(4_Aminosulfonylphenyl)_4H_1,2_thiazine_1_dioxide, an antiepileptic drug with special structure, was obtained via esterification, sulphonation, chloridization, condensation and cyclization.

以四氢呋喃为原料，经酯化、磺化、酰氯化、缩合、环化等步骤，合成了化学名为 4_(四氢_2H_1，2_噻嗪基_2 )苯磺酰胺_S_S_二氧化物的抗癫痫药舒噻嗪，通过IR、1HNMR和元素分析对其结构进行了表

In chapter 1, a review of calixarene structures, syntheses, chemical modifications, properties and applications were presented.

第一章对杯芳烃的结构、合成、化学修饰、性质、应用，做了简要的概括和评述。

The electrochemical oxidation of 1,4-dihydropyridine and its derivatives has beenstudied on Pt electrode in acetonitrile 0.1 mol/L TEAP solution by cyclic voltammetry andbulk electrolysis.

毗院类化合物在新材料的合成、化学制药等方面是不可缺少的原料，''。

It is found that the stereochemistry of the reactions of telluronium allylide,crotonylide and trimethylsilyallylide with α,β-unsaturated esters and amides can be tuned by thechoice of reaction conditions.

利用反应条件的变化首次实现了烯丙基、巴豆基、含硅烯丙基碲叶立德与α，β-不饱和酯、酰胺进行环丙烷反应的立体化学调控，能高立体选择性地、高效率地合成两种不同几何异构体中的一个。

The crystallization behavior of polyethylene terephthalate ; random poly (ethylene/tetramethylene terephthalate) P (ET/BT ; poly (ethylene terephthalate/ isophthalate) P (ET/EI and poly (ethylene terephthalate/adipate) P (ET/EA copolyesters; and block polyethylene terephthalate/polyethylene glycol and polyethylene terephthalate/polytetramethylene glycol were studied by DLI ; DSC; WAXD; PLM and IR technique.

中文题名PET及其共聚酯的结晶行为副题名外文题名 The crystallization behavior of PET and its copolyesters 论文作者边界导师封麟先叶胜荣教授学科专业高分子化学与物理研究领域\研究方向学位级别博士学位授予单位浙江大学学位授予日期2001 论文页码总数10，159页关键词聚对苯甲酸乙二酯聚酯结晶馆藏号BSLW /2003 /O633 /1 本文通过缩聚反应合成了不同分子量的聚对苯二甲酸乙二酯；聚对苯二甲酸酯P(ET／BT、聚（对苯二甲酸／间苯二甲酸）乙二醇酯P(ET／EI和聚乙二醇酯P(ET／EA等系列的无规共聚酯以及PET／PBG和PET／PEG等系列的嵌段共聚酯，并采用DLI、DSC、WAXD、IR和NMR等实验技术着重研究了它们的结晶行为与共聚酯的序列结构。

The chemical deposition method was applied to prepare bismuth sulfide through reaction of bismuth salt complexed by triethanolamine or EDTA with an aqueous solution containing a sulfur sourse such as thioacetamide, thiourea, sodium thiosulphate, geseous H2S.

化学淀积方法被提出申请准备硫化铋经过被和一个水溶液的三乙醇胺或乙二胺四醋酸合成物的铋盐反作用含有硫 sourse，像是硫代乙醯胺，硫，钠 thiosulphate ， geseous H2S 。

With good stability and high reactivity, pyridine-based tridentate N-ligands have been widely used in the fields of coordination chemistry, organic synthesis and homogeneous catalysis.

吡啶基含氮三齿配体具有良好的稳定性和反应活性，在配位化学，有机合成和均相催化中均得到了广泛的应用。

The potential superiority of indium trihalide in organic synthesis will promote the development of "Green Chemistry".

三卤化铟在有机合成中潜在的优势将推动&绿色化学&的发展。

With regard to the current society, much hubbub in the European Union ban on the use of four kinds of children's toys, plasticizers, Jiangnan University, and Dr. LG Chemical in two epoxy esters, briefed the meeting on high molecular weight plasticizers, citrate butyl ester, such as trimellitic several environment-friendly non-toxic plasticizer that can be replaced ethylhexyl phthalate, ethylhexyl adipate, whether it is synthetic process, the source of raw materials are not a problem, but there are differences in price, but into the large-scale production, the price will be decreased substantially.

关于目前社会上闹得沸沸扬扬的欧盟禁止在儿童玩具中使用四种增塑剂，江南大学和LG化学的两位博士在会上介绍了环氧酯类高相对分子质量增塑剂、柠檬酸三丁酯、偏苯三酸酯等几种无毒环保型增塑剂，认为完全可以取代邻苯二甲酸乙基己酯、己二酸乙基己酯，无论是合成工艺、原料来源都不成问题，只是在价格上还有些差异，但进人大规模生产后，价格会有较大幅度下降。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失