专利号:US-8188282-B2 优先权日:2006-07-15 标 题:Regioselective palladium catalyzed synthesis of benzimidazoles and azabenzimidazoles 发明人:ALONSO JORGE; LINDENSCHMIDT ANDREAS; NAZARE MARC; HALLAND NIS; RKYEK OMAR; URMANN MATTHIAS 权利人:ALONSO JORGE; LINDENSCHMIDT ANDREAS; NAZARE MARC; HALLAND NIS; RKYEK OMAR; URMANN MATTHIAS; SANOFI AVENTIS 摘要:The present invention relates to a process for the regioselective synthesis of compounds of the formula I, n nwherein R0; R1; R2; R3; R4; R5; A1; A2; A3; A4, Q and J have the meanings indicated in the claims. The present invention provides a direct palladium 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 useful for the production of pharmaceuticals, diagnostic agents, liquid crystals, polymers, herbicides, fungicidals, nematicidals, parasiticides, insecticides, acaricides and arthropodicides.
专利号:AU-2007276514-A1 优先权日:2006-07-15 标题:A regioselective palladium catalyzed synthesis of benzimidazoles and azabenzimidazoles
专利号:CA-2657717-A1 优先权日:2006-07-15 标 题 :A regioselective palladium catalyzed synthesis of benzimidazoles and azabenzimidazoles
专利号:CN-105126909-A 优先权日:2015-07-13 标 题 :Application of Immobilized Palladium Catalyst in the Synthesis of Methyl 4-Phenylethynyl-3-nitrobenzoate
专利号:CN-101490014-B 优先权日:2006-07-15 标 题:Regioselective palladium-catalyzed synthesis of benzimidazoles and azabenzimidazoles
专利号:CN-101490014-A 优先权日:2006-07-15 标题:Regioselective palladium-catalyzed synthesis of benzimidazoles and azabenzimidazoles