CAS: 207386-92-3; 8-Hydroxyquinoline-5-Sulfonic Acid Hydrate (1:X)

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    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:CA-2693142-A1
    优先权日:2007-06-26
    标题:A regioselective metal catalyzed synthesis of annelated benzimidazoles and azabenzimidazoles

    专利号:AU-2008267444-A1
    优先权日:2007-06-26
    标 题 :A regioselective copper catalyzed synthesis of benzimidazoles and azabenzimidazoles

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    合成参考文献


    参考文献:10.1007/s11356-015-5161-8
    摘要:Ran X, Yue H, Fu X, Kang Y, Xu S, Yang Y, Xu J, Shi J, Wu Z. The response and detoxification strategies of three freshwater phytoplankton species, Aphanizomenon flos-aquae, Pediastrum simplex, and Synedra acus, to cadmium. Environmental Science and Pollution Research. 2015 Aug 15;22(24):19596–606. doi: 10.1007/s11356-015-5161-8.
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