Expedient Synthesis of gem-CF2-2H-Thiophenes from Enaminothiones
作者:Zhengyu Zhang、Yaojia Jiang、Xinyu Zhang、Xuheng Zhang、Rui Fu
DOI:10.1055/s-0043-1763749
日期:2024.11
An expedient and easy-to-handle synthetic platform has been established for the constructing of 2H-thiophenes carrying fluorine atoms through [4+1] cyclization of enaminothiones with fluorinated carbene precursors. This simple reaction system is well compatible with a wide range of substrates under completely metal-free conditions. The resulting 2H-thiophenes can undergo further late-stage modifications