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Keywords:

  • Friedländer annulations;
  • divergent synthesis;
  • 1,8-naphthyridine;
  • hydropyridopyrimidinone

Abstract

An efficient divergent synthesis of substituted 1,8-naphthyridine and hydropyridopyrimidinone derivatives was developed by the reactions of o-aminocyanopyridines and ketones based on different catalytic conditions.