The present invention provides a novel process for preparing a substituted aromatic compound such as an aromatic halo compound or a salt thereof through a transformation reaction of an aromatic diazonium salt from an aromatic amino compound at stable high yields utilizing a novel Sandmeyer-like reaction using a nitroxide radical compound as a reaction catalyst.
本发明提供了一种新工艺,利用一种新型桑德迈尔类反应,以硝基自由基化合物为反应催化剂,通过芳香族重氮盐与芳香族
氨基化合物的转化反应,以稳定的高产率制备取代的芳香族化合物,如芳香族卤代化合物或其盐。