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An Efficient Microwave Assisted Synthesis of Triphenodioxazines Using Chloranil as Oxidizing Agent
Journal article   Peer reviewed

An Efficient Microwave Assisted Synthesis of Triphenodioxazines Using Chloranil as Oxidizing Agent

Muhammad NajeebUllah, Munawar Ali Munawar, David William Knight, Misbahul Ain Khan, Amran Waheed and Khalid Mohammed Khan
Journal of the Chemical Society of Pakistan, Vol.38(2), pp.318-325
30/04/2016

Abstract

Chemistry Chemistry, Multidisciplinary Physical Sciences Science & Technology
An efficient new method for the preparation of triphenodioxazines (TPDOs) using p-chloranil as oxidizing agent in conc. H2SO4 under microwave irradiation at 120 degrees C is reported. This method is more efficient than the previously described microwave method using potassium persulfate as oxidising agent in conc. H2SO4 as it provides the cyclized product within 8-10 minutes with comparatively higher yields.

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