Method for producing substituted biphenyls
    11.
    发明授权
    Method for producing substituted biphenyls 有权
    生产取代联苯的方法

    公开(公告)号:US07772446B2

    公开(公告)日:2010-08-10

    申请号:US11885247

    申请日:2006-03-02

    IPC分类号: C07C205/06 C07C211/00

    摘要: A process for preparing substituted biphenyls in which R1=nitro, amino or NHR3, R2=CN, NO2, halogen, C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C1-C6-alkoxy, C1-C6-haloalkyl, C1-C6-alkylcarbonyl or phenyl, R3=C1-C4-alkyl, C2-C4-alkenyl or C2-C4-alkynyl, m=1 or 2; n=0 to 3, which comprises reacting a compound II in the presence of a base and of a palladium catalyst selected from the group of: a) palladium-triarylphosphine or -trialkylphosphine complex with palladium in the zero oxidation state, b) salt of palladium in the presence of triarylphospine or trialkylphosphine as a complex ligand or c) metallic palladium applied to support if appropriate, in the presence of triarylphosphine or trialkylphosphine, in a solvent, with a diphenylborinic acid (III)

    摘要翻译: 制备其中R1 =硝基,氨基或NHR3,R2 = CN,NO2,卤素,C1-C6-烷基,C2-C6-烯基,C2-C6-炔基,C1-C6-烷氧基,C1- C 1 -C 6烷基羰基或苯基,R 3 = C 1 -C 4烷基,C 2 -C 4 - 烯基或C 2 -C 4炔基,m = 1或2; n = 0至3,其包括使化合物II在碱的存在下与选自以下的钯催化剂反应:a)钯 - 三芳基膦或三烷基膦配合物与零氧化状态的钯,b) 在三芳基膦或三烷基膦存在下作为络合配体的钯,或c)在溶剂中,在二苯基硼酸(III)中,在三芳基膦或三烷基膦存在下,适当地加入金属钯,

    Method for Producing Substituted Biphenyls
    13.
    发明申请
    Method for Producing Substituted Biphenyls 有权
    生产取代联苯的方法

    公开(公告)号:US20080183021A1

    公开(公告)日:2008-07-31

    申请号:US11885247

    申请日:2006-03-02

    IPC分类号: C07C17/278

    摘要: A process for preparing substituted biphenyls in whichR1=nitro, amino or NHR3,R2=CN, NO2, halogen, C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C1-C6-alkoxy, C1-C6-haloalkyl, C1-C6-alkylcarbonyl or phenyl,R3=C1-C4-alkyl, C2-C4-alkenyl or C2-C4-alkynyl,m=1 or 2; n=0 to 3,which comprises reacting a compound II in the presence of a base and of a palladium catalyst selected from the group of: a) palladium-triarylphosphine or -trialkylphosphine complex with palladium in the zero oxidation state, b) salt of palladium in the presence of triarylphospine or trialkylphosphine as a complex ligand or c) metallic palladium applied to support if appropriate, in the presence of triarylphosphine or trialkylphosphine, in a solvent, with a diphenylborinic acid (III)

    摘要翻译: 制备取代联苯的方法,其中R 1 =硝基,氨基或NHR 3,R 2 = CN,NO 2, 卤素,C 1 -C 6 - 烷基,C 2 -C 6 - 烯基,C 1 -C 6烷基,C 2 -C 6 - C 2 -C 6 - 炔基,C 1 -C 6 - 烷氧基,C 1 -C 6 - C 1 -C 6 - 卤代烷基,C 1 -C 6 - 烷基羰基或苯基,R 3 = C 1 -C 4 - 亚烷基,C 2 -C 4 - 烯基或C 2 - C 1 -C 4 - 炔基,m = 1或2; n = 0至3,其包括使化合物II在碱的存在下与选自以下的钯催化剂反应:a)钯 - 三芳基膦或三烷基膦配合物与零氧化状态的钯,b) 在三芳基膦或三烷基膦存在下作为络合配体的钯,或c)在溶剂中,在二苯基硼酸(III)中,在三芳基膦或三烷基膦存在下,适当地加入金属钯,

    Method for producing 3-trifluoromethylphenyl-4-cyanobenzyl ketone
    15.
    发明授权
    Method for producing 3-trifluoromethylphenyl-4-cyanobenzyl ketone 有权
    3-三氟甲基苯基-4-氰基苄基酮的制备方法

    公开(公告)号:US06992206B2

    公开(公告)日:2006-01-31

    申请号:US10512487

    申请日:2003-04-25

    IPC分类号: C07C253/30

    CPC分类号: C07C253/30 C07C255/56

    摘要: A process is described for preparing 3-trifluoromethylphenyl 4-cyanobenzyl ketone by reacting a C1–C2-alkyl 3-trifluoromethylbenzoate with 4-tolunitrile in an aprotic polar solvent or an aprotic polar solvent mixture in the presence of at least an equimolar amount of a base which is selected from potassium alkoxides of primary C1–C4-alkanols.

    摘要翻译: 描述了一种制备3-三氟甲基苯基4-氰基苄基酮的方法,该方法是在非质子传递极性溶剂中使C 1 -C 2 - 2-烷基-3-三氟甲基苯甲酸酯与4-甲苯腈反应,或 在至少等摩尔量的碱的存在下,非质子极性溶剂混合物,其选自原代C 1 -C 4 - 烷醇的醇盐。