[EN] METHODS FOR EXTERNAL BASE-FREE SUZUKI COUPLINGS<br/>[FR] PROCÉDÉS DE COUPLAGE DE SUZUKI SANS BASE EXTERNE
申请人:DOW GLOBAL TECHNOLOGIES LLC
公开号:WO2017112576A1
公开(公告)日:2017-06-29
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.
本公开描述了一种将第一芳香化合物与第二芳香化合物耦合的方法,该方法包括:(a)制备一个反应混合物,包含第一芳香化合物、第二芳香化合物、催化剂和水;该反应混合物不含有外部碱,其具有从11到1的初始pH值;催化剂至少含有一个第10族元素原子;第一芳香化合物具有卤素、三氟甲磺酸盐或磺酸盐取代基;第二芳香化合物具有含硼取代基;其中,第一芳香化合物或第二芳香化合物中的至少一个包含一个或多个杂原子;以及(b)在反应混合物中使第一芳香化合物和第二芳香化合物反应,反应混合物在第一芳香化合物和第二芳香化合物反应后具有一个最终的pH值。