Synthesis of<i>gem</i>-Bistriflates: Reaction of Aliphatic Aldehydes with Trifluoromethanesulfonic Acid Anhydride
作者:Antonio García Martínez、Roberto Martinez Alvarez、Amelia García Fraile、L. R. Subramanian、M. Hanack
DOI:10.1055/s-1987-27839
日期:——
Reaction of aldehydes 1 with trifluoromethanesulfonic anhydride (2) in the presence of a base 3 or 4 at 0°C leads to gem-bistriflates 6 in good yields
醛类1与三氟甲磺酸酐(2)在碱性试剂3或4的存在下,在0°C反应,得到良好产率的双三氟甲磺酸酯6。
Synthesis of 1,1-Difluoroalkanes via Phase Transfer Catalysed Reaction of 1,1-<i>bis</i>-Triflates with KF in the Presence of Cocatalyst - Ph<sub>3</sub>SnF
作者:Mieczysaw MĽ、Robert Bujok
DOI:10.1055/s-2002-32959
日期:——
1,1-bis-Triflates treated with KF in the presence of triphenyltin fluoride and tetrabutylammonium hydrogen sulfate give 1,1-difluoroalkanes