字典

Carbocationic polymerization

Carbocationic polymerization


基本解释:碳正离子聚合

网络释义


Carbocationic polymerization

1)Carbocationic polymerization,碳正离子聚合2)carbocation,碳正离子3)Normalizing steels,低碳正火钢4)carbonium ion,[物]碳正离子5)Carbocation stabilization,碳正离子稳定性6)Azocarbenium ions,偶氮基碳正离子

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用法和例句


Reaction of ferrocenylphenylcarbinol with ethereal solution of boron trifluoride in dichloride methane formed the relevant ferrocenylphenylmethyl carbocation.二茂基苯基甲醇与三-乙醚溶液在二甲烷中作用,形成二茂苯基甲基碳正离子。UWa汉语字典

The reaction of ferrocenyl ethylferrocenyl methanol with BF3 in CH_2Cl_2 gave the relevant monoalkylated diferrocenyl carbocations .(二茂基、乙基二茂基 )甲醇与BF3在二甲烷中作用 ,形成相应的双二茂甲基碳正离子 ,无需从反应混合物中分离出来 ,该离子便可与正丁胺作用得到标题化合物 ,由元素分析、红外光谱确认了该化合物的结UWa汉语字典

These methanols were treated with BF 3 in CH 2Cl 2 to generate the diferrocenylmethyl carbocations.它们对酸的敏感性很高 ,与BF3 在二甲烷中作用可形成稳定的二茂基甲基碳正离子 ,无需从溶液中分离出来 ,便可与胺RNH2 [R =C2 H5,n C3 H7,n C4H9,HOCH2 CH2 ,HOCH(CH3 )CH2 ,HOCH2 CH(C2 H5) ]作用得到产率颇高的二茂基胺 。UWa汉语字典

Normalizing steels used in agricultural machinery and automobile have been melted with micro-alloying design method.按微合化的成分设计方法冶炼了农机及汽车用低碳正火钢,研究了其显微组织及机械性能。UWa汉语字典

Based on the mechanism of alkene Elec tr ophilic addition reaction, the essence of Markovnikov`s rule was analysed with t he Electron- effect theory and the Carbocation stabilization.以亲电加成反应机理为基础,从电子效应和碳正离子稳定性两方面分析了马氏规则的本质,并通过具体实例加与分析验证。UWa汉语字典

Azocarbenium ions 3, prepared in situ from 4-chromanone arylhydrazones 1, cycloadd readily to the triple bond of nitriles forming 3-spiro substituted 1,2,4-triazolium salts 4.苯并二氢吡喃 4 酮的芳腙 (1 )衍生的偶基碳正离子 (3)与腈发生 1 ,3 偶极环加成反应 ,加成产物 (4 )通过 [1 ,2 ] 迁移扩环重排反应 ,形成新颖的三环系杂环化合物 1 ,2 ,4 三唑并 [3,2 d][1 ,5 ] 苯并杂化合物 5a_5k 。