SN2 reaction

The S_N2 reaction is a type of reaction mechanism that is common in organic chemistry. In this mechanism, one bond is broken and one bond is formed synchronously, i.e., in one step. S_N2 is a kind of nucleophilic substitution reaction mechanism. Since two reacting species are involved in the slow (rate-determining) step, this leads to the term substitution nucleophilic (bi-molecular) or S_N2, the other major kind is S_N1. Many other more specialized mechanisms describe substitution reactions.

单词	Bimolecular Nucleophilic Substitution
释义	Bimolecular Nucleophilic Substitution 英语百科 SN2 reaction The S_N2 reaction is a type of reaction mechanism that is common in organic chemistry. In this mechanism, one bond is broken and one bond is formed synchronously, i.e., in one step. S_N2 is a kind of nucleophilic substitution reaction mechanism. Since two reacting species are involved in the slow (rate-determining) step, this leads to the term substitution nucleophilic (bi-molecular) or S_N2, the other major kind is S_N1. Many other more specialized mechanisms describe substitution reactions.
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Bimolecular Nucleophilic Substitution

SN2 reaction