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Chemistry LibreTexts

Leaving Group

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1. The ligand in the substrate replaced by the nucleophile in a nucleophilic substitution, before and after the reaction, is called the leaving group.

eg. 1:

leavinggroup1.png

eg. 2:

leavinggroup2.png

eg. 3:

leavinggroup3.png

eg. 4:

leavinggroup4.png

eg. 5:

leavinggroup5.png

net reaction:

leavinggroup6.png

2. The ligand in the substrate that leaves with a H+ in a 1,1-elimination or in a 1,2-elimination, before and after the reaction, is called the leaving group.

eg. 1:

leavinggroup7.png

eg. 2:

leavinggroup8.png

eg. 3:

leavinggroup9.png


This page titled Leaving Group is shared under a All Rights Reserved (used with permission) license and was authored, remixed, and/or curated by Gamini Gunawardena via source content that was edited to the style and standards of the LibreTexts platform.

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