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<p>to the <a href="page.php?w=hydroxy_group">hydroxy group</a>.</p>

<p><big>C--H insertion</big></p>
<p><a href="page.php?w=image%3ACarbene_one-step-insertion.svg">thumb</a><a href="page.php?w=Carbene_C-H_insertion">Insertions</a> are another common type of carbene reaction, a form of <a href="page.php?w=oxidative_addition">oxidative addition</a>. Insertions may or may not occur in single step (see above). The end result is that the carbene interposes itself into an existing bond, preferably X-H (X not carbon), else C-H or (failing that) a C-C bond.  <a href="page.php?w=Alkyl">Alkyl</a></p><p>
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