Synthesis of Functionalized Quinolines through a Reaction of Amides and Alkynes Promoted by Triflic Anhydride/Pyridine
作者:Lian-Hua Li、Zhi-Jie Niu、Yong-Min Liang
DOI:10.1002/chem.201703832
日期:2017.11.2
A concise, novel and flexible metal‐free single step to synthesize functionalized quinolines is reported. Triflic anhydride‐mediated (Tf2O) activation of amides is discussed in the presence of pyridine to offer strong electrophiles, thereby showcasing excellent productivity, high regio‐ and chemoselectivity, and widely tolerable substrates. This approach provides a straightforward and efficient way