Zhu Tong-Hao, Zhang Ze-Yu, Tao Ji-Yu, Zhao Kai, Loh Teck-Peng
Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials , Nanjing Tech University , Nanjing 211816 , China.
Institute of Advanced Studies , Taizhou University , 1139 Shifu Avenue , Taizhou 318000 , China.
Org Lett. 2019 Aug 2;21(15):6155-6159. doi: 10.1021/acs.orglett.9b02361. Epub 2019 Jul 24.
A regioselective and stereoselective difluoromethylation of enamides with bench-stable and easily accessible difluoromethyltriphenylphosphonium bromide is described. A broad array of synthetically important and geometrically defined β-difluoromethylated enamides bearing various functional groups are obtained with up to 91% yield.
本文描述了一种使用易于储存且易于获得的二氟甲基三苯基溴化鏻对烯酰胺进行区域选择性和立体选择性二氟甲基化反应。该反应能够以高达91%的产率得到一系列具有重要合成价值且几何结构明确的带有各种官能团的β-二氟甲基化烯酰胺。