- T -BuONa-mediated direct C-H halogenation of electron-deficient (hetero)arenes
-
An efficient halogenation of electron-deficient (hetero)arenes is described. The reaction utilizes common t-BuONa as a catalyst (for iodination) or a promoter (for bromination and chlorination), and perfluorobutyl iodide, CBr4 or CCl4 as the readily-available halogenating agents, respectively. The protocol features broad scope, high efficiency, mild conditions and gram scalability. An ionic pathway involving halogen bond formation and halophilic attack is proposed. The utility of the resulting iodinated heteroarenes is demonstrated in visible light-mediated Caryl-Caryl cross-coupling reaction.
- Liu, Xia,Zhao, Xin,Liang, Fushun,Ren, Baoyi
-
p. 886 - 890
(2018/02/19)
-
- PREPARATION OF POLYFLUOROBENZOTRIHALIDES BY THE REACTIONS OF OCTAFLUOROTOLUENE AND ITS DERIVATIVES WITH ALUMINUM HALIDES. SYNTHESIS OF POLYFLUOROSTILBENES AND DECAFLUOROTOLAN
-
Reactions of some polyfluoro aromatic compounds containing a CF3 group with aluminum halides (AlCl3, AlBr3) were studied.In these reactions there occurs the replacement of fluorine atoms by chlorine or bromine both in the side chain in aromatic ring.Treat
- Dvornikova, K. V.,Platonov, V. E.,Yakobson, G. G.
-
p. 525 - 532
(2007/10/02)
-
- FORMATION OF POLYFLUOROTRICHLOROMETHYLBENZENES FROM PENTAFLUOROBENZENE AND CCl4 IN THE PRESENCE OF AlCl3
-
The reaction of pentafluorobenzene with CCl4 in the presence of AlCl3 gives p-chloro-o,o,m,m-tetrafluorotrichloromethylbenzene as the major product along with pentafluorotrichloromethylbenzene and bis(p-chlorotetrafluorophenyl)dichloromethane.
- Dvornikova, K. V.,Platonov, V. E.
-
p. 406 - 407
(2007/10/02)
-