Difference Between Electrofuge and Nucleofuge

Thekey differencebetween electrofuge and nucleofuge is thatan electrofuge is a leaving group that does not retain the bonding pair of electrons from its previous bond with another species whereas a nucleofuge is a leaving group that retains the lone pair from its previous bond with another species.

术语电气和核能在有机化学中用作离开组的名称。这两组根据分子上粘结电子对的保留过程彼此不同。但是，这些术语主要用于旧文献，这些术语在化学文献中并不常见。

CONTENTS

1.Overview and Key Difference
2.What is Electrofuge
3.什么是Nucleofuge
4.并排比较 - 表格形式的电气器与核对象
5.概括

What is Electrofuge?

电视化合物可以描述为离开基团，这些组不会保留其以前与另一物种的键中的键合电子。这种类型的离开小组是从杂色破裂中形成的covalent bonds. After performing the corresponding reaction, electrofuge groups tend to possess either a positive or a neutral charge, which is governed by the nature of the specific reaction. An example of an electrofuge involving reaction is the loss of H⁺ion from a molecule of苯during the nitration process. In this context, the word electrofuge commonly refers to the leaving group that is found in older literature, but its use in modern organic chemistry is uncommon now.

什么是Nucleofuge

Nucleofuge compounds can be described as leaving groups that can retain the lone electron pair from its previous bond with another species. As an example, in theSN2 reaction, anucleophileattacks the organic compound containing the nucleofuge, simultaneously breaking the bond with nucleofuge.

在涉及核能的反应完成后，核对象可能包含负电荷或中性电荷。这是由特定反应的性质控制的。同样重要的是要知道核能一词是在较旧的化学文献中使用的，但是在现代文献中的使用不太常见。

电气器和核能有什么区别？

术语电气和核能在有机化学中用作离开组的名称。The key difference between electrofuge and nucleofuge is that an electrofuge does not retain the bonding pair of electrons from its previous bond with another species whereas the nucleofuge retains the lone pair from its previous bond with another species. Furthermore, after the completion of the particular reaction involving the electrofuge, the electrofuge tends to possess either a positive charge or a neutral charge while the nucleofuge, in the same context, tends to have either a negative charge or a neutral charge.

An example of the use of electrofuge is the loss of H⁺ion from a molecule of benzene during nitration. An example of the use of word nucleofuge is in the SN2 mechanism where a nucleophile attacks an organic compound containing the nucleofuge, simultaneously breaking the bond with the nucleofuge.

Below infographic summarizes the differences between electrofuge and nucleofuge in tabular form.

概括– Electrofuge vs Nucleofuge

术语电气和核能在有机化学中用作离开组的名称。The key difference between electrofuge and nucleofuge is that an electrofuge does not retain the bonding pair of electrons from its previous bond with another species whereas a nucleofuge retains the lone pair from its previous bond with another species. Therefore, these two groups differ from each other according to the retaining process of the bonding electron pairs on the molecule.

Reference:

1. “Nucleofuge.”Wikipedia, Wikimedia Foundation, 9 June 2019,Available here.

Image Courtesy:

1. “BromoethaneSN2reaction-small” By en:User:Benjah-bmm27 – https://secure.wikimedia.org/wikipedia/en/wiki/Image:BromoethaneSN2reaction-small.png (Public Domain) viaCommons Wikimedia