Synthesis of Hydroxylated 3,4-Dihydropyridine-2-ones from Intramolecular Nucleophilic Addition Reaction of Oxirane-Containing Tertiary Enamides - Yang, Luo; Tong, Shuo; Wang, De-Xian; Huang, Zhi-Tang; Zhu, Jieping; Wang, Mei-Xiang (Synlett, 2011)