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   现代有机合成 在 化学 分类中 的翻译结果: 查询用时:0.014秒
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现代有机合成
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  modern organic synthesis
    The applications of nonnucleophilic bases in modern organic synthesis
    非亲核碱在现代有机合成中的应用
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    The new concept and new method of the modern organic synthesis
    现代有机合成的新概念和新方法
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    <title>cent Development of Microwave in Modern Organic Synthesis
    微波技术在现代有机合成中的应用进展
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    New Conceptions of Modern Organic Synthesis and Its Research Progress
    现代有机合成的新概念及研究进展
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    Functionalized organozinc Reagents plays an important role in the modern Organic Synthesis.
    含活泼基团的有机锌试剂,在现代有机合成中具有重要作用。
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  “现代有机合成”译为未确定词的双语例句
    The organo-iodine (III) reagents are widely used in modern organic syntheis fortheir properties of easy-preparation and less-toxicity compared with classic transitionmetal oxidants.
    有机碘(III)氧化剂在现代有机合成中应用很广,相比传统的过渡金属氧化剂,具有容易制备、低毒的优点。
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    The carbon-carbon bond forming reactions are always the key steps in many syntheses of organic chemicals. The coupling reaction of the alkyl halides is one of the most fundamental methods. Since its invention, numerous efforts have been devoted to further development of the reactions because of its usefulness and especially the wide applicability to substrates.
    碳—碳键的构建一直都是许多有机化学品合成中的关键步骤,卤代烃的碳碳偶联是其中一种重要的方法,自从被发现以来,由于其高效性以及原料底物的广泛适用性,逐渐引起了人们的关注与深入研究,因此,它已经成为现代有机合成中不可缺少的重要工具,近年来被广泛应用于医药、农药,以及精细化工产品的各种合成实践中。
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    This thesis mainly consists of the two parts:The first part reviews the applications of the chiral ferrocenes in the modern synthesis chemistry, especially in the catalyze chemistry, also reviews the synthesis of the chiral ferrocenes, and simply comments every method.
    第一部分 综述部分讲述了不对称邻位取代的二茂铁衍生物在现代有机合成中,尤其是在催化领域的应用,并回顾了此类化合物合成的历史,对不同的合成方法做了简单评价。
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    Microwave irradiation and enzymatic catalysis are two powerful tools in modern organic syntheses.
    微波辐射和酶催化是现代有机合成化学中两种强有力的催化手段 .
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    e recent development of microwave in organic synthesis was reviewed.
    本文综述微波技术在现代有机合成中的应用及其发展趋势。
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  modern organic synthesis
Modern organic synthesis has significantly progressed to the point of creating carbon-carbon bonds with greater efficiency than ever before.
      
Now, they fall into desuetude because are not fulfill the requirements of modern organic synthesis.
      
Stereoselective and/or enantioselective reactions are most challenging problems in modern organic synthesis.
      


Functionalized organozinc Reagents plays an important role in the modern Organic Synthesis. The methods and advances in preparation of functionalized organozinc reagents are studied here.

含活泼基团的有机锌试剂,在现代有机合成中具有重要作用。本文讨论了这类试剂的制备研究进展.

The reversed-phase high performance liquid chromatographic behaviour of arylthioacetates and their oxidation products has been studied by using ODS as stationary phase and methanol-water as mobile phase. The relationship between the retention characteristics and the molecular structure of these compounds was investigated. Results showed that:(1)The k'values increase with the increase of alkyl chain length;(2)The k'values decrease with the number of oxygen in polar functional groups increasing;(3)the k'values...

The reversed-phase high performance liquid chromatographic behaviour of arylthioacetates and their oxidation products has been studied by using ODS as stationary phase and methanol-water as mobile phase. The relationship between the retention characteristics and the molecular structure of these compounds was investigated. Results showed that:(1)The k'values increase with the increase of alkyl chain length;(2)The k'values decrease with the number of oxygen in polar functional groups increasing;(3)the k'values increase evidently when chlorine exists in benzene ring; (4)The effect of nitro-group in benzene ring on k'values is dependent upon the number and substituting position of polar groups.

芳硫基乙酸酯及其氧化产物的色谱行为(Ⅲ)──在反相高效液相色谱中的行为练鸿振,茅力,苗进,徐小青,张正(南京大学现代分析中心,化学系,南京,210093)关键词芳硫基乙酸酯;芳亚磺酰基乙酸酯;芳磺酰基乙酸酯;反相高效液相色谱在现代有机合成中,含硫有机...

Enzymes are indispensable tools in modern organic synthesis. Progress in cloning techniques, microbiology and protein purification has been supplying an ever growing number and quantity of preparatively useful biocatalysts. Initially enzymes were only used to synthesize compounds found in nature. Nowadays they are also used on non natural substrates under mild and environment friendly conditions. In general enzymatic syntheses have the advantage of excellent chemo , regio and stereo selectivities. The...

Enzymes are indispensable tools in modern organic synthesis. Progress in cloning techniques, microbiology and protein purification has been supplying an ever growing number and quantity of preparatively useful biocatalysts. Initially enzymes were only used to synthesize compounds found in nature. Nowadays they are also used on non natural substrates under mild and environment friendly conditions. In general enzymatic syntheses have the advantage of excellent chemo , regio and stereo selectivities. The present article focuses on the application of glycosyltransferases in the area of molecular glycobiology. Selected reactions with non natural substrates are discussed.

酶已经成为现代有机合成中一种不可或缺的工具 .近年来人们在克隆技术 ,微生物学以及蛋白纯化方面的研究成果为我们提供了越来越多的生物催化剂 .酶最初用于天然产物的合成 ,而今其在非天然化合物中的应用更引起了生物化学家的广泛关注 .酶催化反应可以使不加保护的高官能团化底物进行条件温和 ,环境友好地转化 ,得到具有高度化学、区域和立体选择性的产物 .本文对近年来糖基转移酶在糖生物学中的应用 ,特别是其在利用Leloir方法合成非天然寡糖中的应用作一简要回顾

 
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