Electrophile
- 网络亲电试剂;亲电性;亲电体
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Electrophile chemical is the major pollutant in the environment , this is very concerned by many of environmental scientists .
亲电性化学物是环境中的主要污染物,所以越来越引起环境科学研究者的高度关注。
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Because the reaction initiated by the attachment of an electrophile , the process is called an electrophilic addition reaction .
因为反应是由亲电试剂的附加而开始的,所以这个过程叫做亲电加成反应。
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Summarized two kinds of cross-coupling reaction of organic tin compounds with organic electrophile , which is direct coupling reaction and carbonylation coupling reaction . 2 .
本论文主要包括以下五个方面:1.综述了有机锡化合物与亲电试剂的两种交叉偶联反应&直接偶联反应和羰基化偶联反应。
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Reactions of Carbonyl Compounds with the Carbonyl Group as an Electrophile with H , C , N and O Nucleophiles .
作为亲电基的碳基与作为亲核基的H,C,N和O的羰基化合物反应。
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CO2 usually serves as electrophile in the carboxylation of nucleophilic organometallic reagents to synthesize carboxylic acid and esters .
CO2可作为亲电试剂与碳亲核试剂进行羧化反应制备有机羧酸或羧酸酯。
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The induction of phase II enzyme genes is regulated by their as-acting antioxidant response element ( ARE ) or electrophile responsive element ( EpRE ) .
Ⅱ相代谢酶基因的诱导表达是由顺式作用抗氧化反应元件(ARE)或亲电子效应元件(EpRE)调控的。
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With the co-catalytic strategy , adjust the reactivity of electrophile , the selectivity of the multi-component reactions was controlled efficiently and high enantioselectivity of the products achieved .
通过共催化策略的引入,可以调节亲电试剂的反应活性,高选择性地合成单一立体构型的手性分子,实现该类多组分反应的选择性控制。
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Most of environmental pollutants are electrophile chemicals , such as TCDD , CdCl_2 , HgCl_2 , Pb ( C_2H_3O_2 ) _2 and so on .
环境污染物多数为亲电性(Electrophile)化学物质,如TCDD,CdCl2,多氯联苯,HgCl2,Pb(C2H3O2)2等。
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The chloromethylation reaction consists of electrophilic substitution reaction and nucleophilic substitution reaction , the nucleophilic substitution is the rate-controlling step and the hydroxymethyl cation ( + CH20H ) is the really effective electrophile .
氯甲基化反应由亲电取代反应和亲核取代反应组成,亲核取代反应是反应的速率控制步骤,羟甲基碳正离子(+CH2OH);是真正有效的亲电试剂。