[Bmim]ZnBr 3-Promoted Tandem Reaction of Enaminoester and Allenic Ketones for the Synthesis of Substituted Nicotinate Derivatives
Zhang Tao, Wang Qiang
Chin. J. Org. Chem. . 2018, (2): 498 -503 .  DOI: 10.6023/cjoc201709019