electrophilic substitution

…It is also called a substitution reaction. There are two types of substitution: nucleophilic substitution (abbreviated as S _N ) and electrophilic substitution (abbreviated as S _E ). The former, S _N , is a reaction in which a nucleophile (N ^－ ) attacks a molecule (M-X) that has an atom or group of atoms (X) that is easily substituted, expelling X (Equation (1)). …

*Some of the terminology explanations that mention "electrophilic substitution" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…置換反応とも呼ばれる。置換には求核置換反応nucleophilic substitution(略称S_N)と求電子置換反応electrophilic substitution(略称S_E)の2種類がある。前者S_Nは求核試薬nucleophile(N^－)が置換されやすい原子または原子団(X)をもつ分子(M－X)を攻撃して，Xを追い出す反応をいう(式(1))。…

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出典｜株式会社平凡社世界大百科事典 第２版について | 情報