Todd:Chem3x11 ToddL5

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Chem3x11 Lecture 5

Under construction Sat May 5.

This lecture is about Neighbouring Group Participation (sometimes also called Anchimeric Assistance).

(Back to the main teaching page)

Key concepts

  • Groups/atoms with available electrons positioned near the carbon involved in a substitution reaction can influence the reaction
  • 2
  • 3

Simple Examples of NGP

A sulfur atom in the 2-position of an alkyl halide greatly increases the reactivity of that alkyl halide.

Scheme 1: Effect of a Sulfur Atom in the 2-Position of an Alkyl Chloride

The Licence for This Page

Is CC-BY-3.0 meaning you can use whatever you want, provided you cite me.