A new and efficient method for the synthesis of pyrazolo[3,4-d] pyrimidines catalyzed by iodine

Document Type : Article

Authors

Laboratory of Organic Synthesis and Natural Products, Department of Chemistry, Sharif University of Technology, PO Box 111559516, Tehran, Iran

Abstract

Fully substituents new pyrazolo[3,4-d]pyrimidines were synthesized. The synthesis starts with cyanomethylphenylketone that reacts with phenyl hydrazine to give the corresponding aminopyrazole. The latter undergoes a cyclocondensation with an N,N'-bis(arylmethylidene)arylmethane yielding the final product. Both synthetic steps are high-yielding (the overall yields between 65-78%). The newly synthesized compounds were characterized by 1H NMR, 13C NMR and elemental analysis

Keywords

Main Subjects


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Volume 25, Issue 6
Transactions on Chemistry and Chemical Engineering (C)
November and December 2018
Pages 3305-3310
  • Receive Date: 12 April 2017
  • Revise Date: 27 January 2018
  • Accept Date: 27 November 2018