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<a accesskey="1" href="page.php?w=Intramolecular_reaction&amp;p=8">1.Previous</a><br />
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<p>of <a href="page.php?w=norbornadiene">norbornadiene</a> to give <a href="page.php?w=quadricyclane">quadricyclane</a>.<br/>
:</p>

<p><big>Tools and concepts</big></p>
<p>Many tools and concepts have been developed to exploit the advantages of intramolecular cyclizations.  For example, installing large substituents exploits the <a href="page.php?w=Thorpe-Ingold_effect">Thorpe-Ingold effect</a>.  <a href="page.php?w=High_dilution_reaction">High dilution reaction</a>s suppress intermolecular processes.  One set of tools involves tethering as discussed below.</p><p>
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