A simple and efficient procedure for the halogenation of aromatic compounds with NCS, NBS, NIS and NFSI in the presence of catalytic amount of ZrCl4 is described. Chlorination, bromination, iodination and fluorination of various aromatic compounds are performed with high selectivity under mild reaction conditions.
描述了一种简单高效的芳香化合物卤化程序,该过程使用
NCS、
NBS、NIS和
NFSI,并在催化量ZrCl4的存在下进行。各种芳香化合物的
氯化、
溴化、
碘化和
氟化在温和反应条件下具有很高的选择性。