421-00-1Relevant articles and documents
gem-difluorination of aminoalkynes via highly reactive dicationic species in superacid HF-SbF5: Application to the efficient synthesis of difluorinated cinchona alkaloid derivatives
Cantet, Anne-Celine,Carreyre, Helene,Gesson, Jean-Pierre,Jouannetaud, Marie-Paule,Renoux, Brigitte
, p. 2875 - 2878 (2008/09/19)
(Chemical Equation Presented) A variety of alkynylated amines, amides, and imides are reacted in the superacid system HF-SbF5 to give regioselectively new β-gem-difluoroamines. The reaction, which is not observed in pure HF, is consistent with