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:US-8309716-B2 优先权日:2005-07-29 标题 :Pyrrolo[2,3-d]pyrimidine derivatives: their intermediates and synthesis 发明人:RUGGERI SALLY GUT; HAWKINS JOEL M; MAKOWSKI TERESA M; RUTHERFORD JENNIFER L; URBAN FRANK J 权利人:RUGGERI SALLY GUT; HAWKINS JOEL M; MAKOWSKI TERESA M; RUTHERFORD JENNIFER L; URBAN FRANK J; PFIZER 摘要:This invention relates to methods and intermediates useful for the synthesis of pyrrolo[2,3-d]pyrimidine compounds. Specifically novel synthetic methods and intermediates for the synthesis of 3-{(3R,4R)-4-methyl-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-amino}-piperidin-1-yl)-3-oxo-propionitrile and its corresponding citrate salt are disclosed.
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-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
专利号:EP-2044033-B1 优先权日:2006-07-15 标题:A regioselective palladium catalyzed synthesis of benzimidazoles and azabenzimidazoles