An efficient Fe(III)-catalyzed 1,6-conjugate addition of para-quinone methides with fluorinated silyl enol ethers toward β,β-diaryl α-fluorinated ketones
作者:Yong-Jia Hao、Xiao-Si Hu、Jin-Sheng Yu、Feng Zhou、Ying Zhou、Jian Zhou
DOI:10.1016/j.tet.2018.11.017
日期:2018.12
Reported here is a highly efficient 1,6-conjugate addition of fluorinated silyl enol ethers to para-quinone methides, allowing facile access to a range of β,β-diaryl α-fluorinated ketones with good to high yields. Fe(OTf)3 was identified as the optimal catalyst, with the loading of 3 mol%. Notably, this represent the first 1,6-conjugate addition with fluorinated silyl enol ethers. The synthetic potential
此处报道的是将氟化甲硅烷基烯醇醚高效地与对苯醌甲基化合物进行1,6-共轭加成反应,从而可以轻松获得高产率的高产β,β-二芳基α-氟化酮。Fe(OTf)3被确定为最佳催化剂,负载量为3 mol%。值得注意的是,这代表用氟化的甲硅烷基烯醇醚的第一次1,6-共轭加成。还证明了所得加合物的合成潜力。