Beckmann Rearrangement: Celanese synthesis of paracetamol. 
Conversion of cyclohexanone to carpolactam involving Beckmann Rearrangement.
<a href="//commons.wikimedia.org/wiki/User:Krishnavedala" title="User:Krishnavedala">Krishnavedala</a>
<cite class="book" style="font-style:normal" id="Reference-Friderichs-2011">Friderichs, Elmar; Thomas Christoph; Helmut Buschmann (2011) "Analgesics and Antipyretics" in    <i> Ullmann's Encyclopedia of Industrial Chemistry</i>, Wiley-VCH Verlag GmbH &amp; Co. KGaA  <small><a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="en:Digital object identifier">DOI</a>:  <a rel="nofollow" class="external text" href="https://dx.doi.org/10.1002/14356007.a02_269.pub3">10.1002/14356007.a02_269.pub3</a>. </small></cite>