3-硝基苯甲醚置于吡啶,碘,硝酸体系中,化学反应生成 4-碘基-3-硝基苯甲醚 参考文献:The Iodination Of Phenol And Cresol Ethers 标题:The Iodination Of Phenol And Cresol Ethers 摘要: DOI:10.1021/ja01367A042
专利号:US-8735586-B2 优先权日:2007-06-26 标 题 :Regioselective copper catalyzed synthesis of benzimidazoles and azabenzimidazoles 发明人:ALONSO JORGE; LINDENSCHMIDT ANDREAS; NAZARÉ MARC; URMANN MATTHIAS; HALLAND NIS; RKYEK OMAR 权利人:ALONSO JORGE; LINDENSCHMIDT ANDREAS; NAZARÉ MARC; URMANN MATTHIAS; HALLAND NIS; RKYEK OMAR; SANOFI SA 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 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.
专利号:EP-2173747-B1 优先权日:2007-06-26 标 题:A regioselective metal catalyzed synthesis of annelated benzimidazoles and azabenzimidazoles 发明人:ALONSO JORGE; LINDENSCHMIDT ANDREAS; NAZARE MARC; R KYEN OMAR; URMANN MATHIAS; HALLAND NIS 权利人:SANOFI SA 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.
专利号:US-2010261909-A1 优先权日:2007-06-26 标题 :Regioselective copper catalyzed synthesis of benzimidazoles and azabenzimidazoles
专利号:WO-2009000413-A1 优先权日:2007-06-26 标题:A regioselective copper catalyzed synthesis of benzimidazoles and azabenzimidazoles
专利号:EP-2173721-B1 优先权日:2007-06-26 标 题:A regioselective copper catalyzed synthesis of benzimidazoles and azabenzimidazoles
专利号:KR-20100023907-A 优先权日:2007-06-26 标题:Regioselective Copper Catalytic Synthesis of Benzimidazole and Azabenzimidazole