参考标题:Regioselective Metal Catalyzed Synthesis Of Annelated Benzimidazoles And Azabenzimidazoles 摘要:The Present Invention Relates To A Process For The Regioselective Synthesis Of Compounds Of The Formula I, Wherein R1; R2; R3; R4; J1; J2; J3; J4 And G Have The Meanings Indicated In The Claims. The Present Invention Provides A Direct Metal, E.G. Palladium Or Copper, Catalyzed, Regioselective Process To A Wide Variety Of Unsymmetrical, Multifunctional N-Substituted Benzimidazoles Or Azabenzimidazoles Of Formula I Starting From 2-Halo-Nitroarenes And N-Substituted Amides.