Auto-tandem catalysis: synthesis of 4H-pyrido[1,2-a]pyrimidin-4-ones via copper-catalyzed aza-Michael addition–aerobic dehydrogenation–intramolecular amidation

Yan Yang, Wen-Ming Shu, Shang-Bo Yu, Fan Ni, Meng Gao, An-Xin Wu
  • Chemical Communications, January 2013, Royal Society of Chemistry
  • DOI: 10.1039/c3cc38131e