PPh3-catalyzed [2 + 2 + 2] and [4 + 2] annulations: synthesis of highly substituted 1,2-dihydropyridines (DHPs)

Huimin Liu, Qiongmei Zhang, Limin Wang, Xiaofeng Tong
  • Chemical Communications, January 2010, Royal Society of Chemistry
  • DOI: 10.1039/b915825a