PROCESS FOR PREPARING CARBAZOLES
    2.
    发明申请
    PROCESS FOR PREPARING CARBAZOLES 审中-公开
    制备CARBAZOLES的方法

    公开(公告)号:WO2018013067A1

    公开(公告)日:2018-01-18

    申请号:PCT/US2016/034666

    申请日:2016-05-27

    Abstract: A process for preparing one or more carbazoles comprising (a) contacting one or more compounds represented by formula (1) below with diboron reagents in the presence of PdCl2(dppf) to form one or more 2,2'-dichlorobiaryl represented by formula (2) below; and (b) contacting the one or more 2,2'-dichlorobiaryls with one or more H2N-Y compounds, in the presence of one or more palladium containing catalytic components; thereby forming one or more carbazoles represented by formula (3) below is provided.

    Abstract translation: 一种制备一种或多种咔唑的方法,包括(a)在PdCl 2(dppf)存在下使一种或多种由下式(1)表示的化合物与二硼试剂接触以形成一种或多种2, 由下式(2)表示的2'-二氯二芳基; 和(b)在一种或多种含钯催化组分存在下,使一种或多种2,2'-二氯二苯
    基与一种或多种H 2 N-Y化合物接触; 由此提供由下式(3)表示的一种或多种咔唑。

    METHODS FOR EXTERNAL BASE-FREE SUZUKI COUPLINGS
    3.
    发明申请
    METHODS FOR EXTERNAL BASE-FREE SUZUKI COUPLINGS 审中-公开
    外部无基底SUZUKI耦合的方法

    公开(公告)号:WO2017112576A1

    公开(公告)日:2017-06-29

    申请号:PCT/US2016/067474

    申请日:2016-12-19

    CPC classification number: C07B37/04

    Abstract: The present disclosure describes a method of coupling a first aromatic compound to a second aromatic compound, the method comprising: (a) preparing a reaction mixture comprising the first aromatic compound, the second aromatic compound, a catalyst and water; the reaction mixture does not contain an external base, the reaction mixture having an initial pH of from 11 to 1; the catalyst having at least one group 10 atom; the first aromatic compound having a halogen, triflate or sulfonate substituent; the second aromatic compound having a boron-containing substituent; wherein, at least one of the first aromatic compound or the second aromatic compound includes one or more heteroatom; and (b) reacting the first aromatic compound and the second aromatic compound in the reaction mixture, the reaction mixture having a final pH following reaction of the first aromatic compound and the second aromatic compound.

    Abstract translation: 本公开描述了将第一芳族化合物偶联至第二芳族化合物的方法,所述方法包括:(a)制备反应混合物,所述反应混合物包含第一芳族化合物,第二芳族化合物,催化剂 和水; 反应混合物不含外部碱,反应混合物的初始pH值为11至1; 该催化剂具有至少一个第10族原子; 该第一芳族化合物具有卤素,三氟甲磺酸酯或磺酸酯取代基; 所述第二芳族化合物具有含硼取代基; 其中,所述第一芳族化合物或所述第二芳族化合物中的至少一个包括一个或多个杂原子; (b)使第一芳族化合物和第二芳族化合物在反应混合物中反应,反应混合物在第一芳族化合物和第二芳族化合物反应后具有最终的pH值。

Patent Agency Ranking