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Liu, Yong‐Peng; Zhu, Cheng‐Jie; Yu, Cun‐Cun; Wang, Ai‐E; Huang, Pei‐Qiang
European journal of organic chemistry, November 14, 2019, Letnik: 2019, Številka: 42Journal Article
Based on the Tf2O‐mediated intermolecular reaction of secondary amides with enamines derived from ketones, a novel approach to β‐enaminones has been developed. The reaction is widely functional group tolerant and highly chemoselective. In the presence of 4 Å molecular sieves, the method can be extended to the one‐pot condensation of secondary amides with ketones for NH β‐enaminones synthesis. A novel approach to β‐enaminones has been developed, based on a Tf2O‐mediated reaction of secondary amides with ketones enamines. The method can be extended to the one‐pot condensation of secondary amides with ketones for β‐enaminones synthesis.
