The first Lewis acid-catalyzed trifluoromethylation reactions of aldehydes with Me3SiCF3 under TiF4/DMF, Ti(OiPr)4/DMF and Cu(OAc)2/dppp/toluene conditions are described. We have successfully applied this methodology to the difluoromethylation of aldehydes using Me3SiCF2SePh, Me3SiCF2P(O)OEt2 and Me3SiCF2SPh.
首次报道了在TiF4/
DMF、Ti(OiPr)4/
DMF和Cu(OAc)2/dppp/
甲苯条件下,三甲基
硅基三
氟甲基(Me3SiCF3)与醛的Lewis酸催化三
氟甲基化反应。我们还成功地应用这种方法,使用Me3Si
CF2SePh、Me3Si
CF2P(O)OEt2和Me3Si
CF2SPh实现了醛的双
氟甲基化。