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Varma, R.S. and Kumar, D. (1999) Solid State Oxidation of 1,4-Dihydropyridines to Pyridines Using Phenyliodine(III)Bis(trifluoroacetate) or Elemental Sulfur. Journal of the Chemical Society, Perkin Transactions 1, 24, 1755-1757.

has been cited by the following article:

• TITLE: Highly Efficient, One Pot Synthesis and Oxidation of Hantsch 1,4-Dihydropyridines Mediated by Iodobenzene Diacetate (III) Using Conventional Heating, Ultrasonic and Microwave Irradiation

  AUTHORS: Khalid Hussain, Deepak Wadhwa

  KEYWORDS: Dihydropyridines, Iodobenzene Diacetate, Ultrasonic, Microwave, One-Pot, Formylpyrazoles

  JOURNAL NAME: International Journal of Organic Chemistry, Vol.4 No.3, September 11, 2014

  ABSTRACT: A mild, general, convenient, and efficient one-pot synthesis of 4-arylpyridines (4) is described using conventional heating, ultrasound and microwave irradiation. Aryl aldehydes (2) were efficiently condensed with ethylacetoacetate (1) and ammonium acetate in acetonitrile to give dihydropyridine intermediates (4). The latter underwent a smooth Iodobenzene Diacetate (III) mediated aromatization reaction in the same pot to afford 4-arylpyridines (4) in good to excellent yields.