N-Perhalofluoroalkylation of secondary amines by the reactions of the amines and amides with perhalofluoroalkanes. Halophilic attack on nitrogen nucleophile on CBr bond.
作者:Xing-ya Li、He-qi Pan、Xi-kui Jiang
DOI:10.1016/s0040-4039(00)96359-7
日期:1987.1
Secondary amines and amides react spontaneously with perhalofluoroalkanes CF2BrCFBrX(X = F, Cl, CF3) to afford N-perhalofluoroalkylated tertiary amines in fair to good yields. Evidence for an anionic chain process initiated by the bromophilic attack of nitrogen nucleophiles on CBr bonds is given.
仲胺和酰胺与全卤氟烷烃CF 2 BrCFBrX(X = F,Cl,CF 3)自发反应,以相当高的收率得到N-全卤氟烷基化的叔胺。给出了由氮亲核试剂对CBr键的亲脂性攻击引发的阴离子链过程的证据。