双分子亲核取代反应
- bimolecular nucleophilic substitution
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双分子亲核取代反应立体化学问题释疑
On the Problem of Bimolecular Nucleophilic Substitution Reaction Sterochemistry
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以基团次序地位变化为线索,揭示双分子亲核取代反应中,构型翻转与构型标记变化的关系。
The paper shows the relationship between the change of configuration turning and configuration marking , in bimolecular nucleophilic substitution reaction , according to the change order of group .
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水解反应的可能机理是SNl和SN2.双分子亲核取代反应立体化学问题释疑
The mechanisms of the hydrolysis were proposed to be unimolecular nucleophilic substitution and bimolecular nucleophilic substitution ( SN2 ) . On the Problem of Bimolecular Nucleophilic Substitution Reaction Sterochemistry
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核磁跟踪测试表明,HCCP和BPS进行的是双分子亲核取代反应(SN2),三乙胺(TEA)在反应中不仅作为缚酸剂,而且还起着活化BPS、促进亲核进攻的作用。
1H NMR monitor of the polycondensation showed that TEA acted as not only acid-acceptor but also catalyst to activate BPS for nucleophilic substitution . And condensation between HCCP and BPS followed a bimolecular nucleophilic substitution ( S_N2 ) pattern .
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离去基的电子效应在芳香族双分子亲核取代反应中的作用
The action of electronic effect of leaving groups on S _NA_r reactions
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聚合物侧基的双分子亲核取代反应&含α-氨基酸手性配体的丙烯酸酯类不对称配位树脂的合成
Studies on the SN2 reaction of the side chain group in the polymer-syntheses of ethyl α - methylacrylate asymmetric resins containing chiral α - amino acid ligands