Todd:Chem3x11 ToddL5

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=Chem3x11 Lecture 5=
=Chem3x11 Lecture 5=
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Under construction Sat May 5.<br>
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'''Under construction Sat May 5.'''<br>
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This lecture is about ''Neighbouring Group Participation'' (sometimes also called ''Anchimeric Assistance'').
(Back to [[Todd:Teaching | the main teaching page]])
(Back to [[Todd:Teaching | the main teaching page]])
==Key concepts==
==Key concepts==
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* 1
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* Groups/atoms with available electrons positioned near the carbon involved in a substitution reaction can influence the reaction
* 2
* 2
* 3
* 3
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==First Section==
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==Simple Examples of NGP==
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A sulfur atom in the 2-position of an alkyl halide greatly increases the reactivity of that alkyl halide.
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[[Image:Planar Radical.png|thumb|center|400px| '''Scheme 16:''' Planarity of Radicals]]
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[[Image:NGP Sulfur Simple.png|thumb|center|400px| '''Scheme 1:''' Effect of a Sulfur Atom in the 2-Position of an Alkyl Chloride]]
==The Licence for This Page==
==The Licence for This Page==
Is [http://creativecommons.org/licenses/by/3.0/ CC-BY-3.0] meaning you can use whatever you want, provided you cite me.
Is [http://creativecommons.org/licenses/by/3.0/ CC-BY-3.0] meaning you can use whatever you want, provided you cite me.

Revision as of 23:31, 4 May 2012

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Contents

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
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.

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