Simple Synthesis of Amides and Weinreb Amides via Use of PPh3 or Polymer-Supported PPh3 and Iodine.
Kumar A, Akula HK, Lakshman MK. Simple Synthesis of Amides and Weinreb Amides via Use of PPh3 or Polymer-Supported PPh3 and Iodine. European J Org Chem. 2010 May; 2010(14).