Disclosed in the present invention is a synthesis method for 3-bromo-5-(2-ethylimidazo[1,2-a] pyridine-3-carbonyl)-2-hydroxybenzonitrile, relating in particular to a synthesis method for a compound represented by formula (III), which specifically involves step A or step B; step A comprises: a compound represented by formula (I) and a compound represented by formula (II) first reacting by means of heating in an organic solvent, and a resulting reaction product and a bases are further being heated in the presence of water to continue reacting so as to obtain a compound represented by formula (III); step B comprises: the compound represented by formula (I), the compound represented by formula (II), and a base first reacting by means of heating in an organic solvent, and a resulting reaction product then being heated in the presence of water to continue reacting so as to obtain the compound represented by formula (III).
本发明公开了一种3-溴-5-(2-乙基
咪唑并[1,2-a]吡啶-3-羰基)-2-羟基
苯甲腈的合成方法,特别涉及一种由式(III)代表的化合物的合成方法,其具体涉及步骤A或步骤B;步骤A包括:式(I)代表的化合物和式(II)代表的化合物首先在有机溶剂中通过加热反应,得到的反应产物和碱在有
水的情况下进一步加热继续反应,从而得到式(III)代表的化合物;步骤 B 包括:式(I)代表的化合物、式(II)代表的化合物和碱首先在有机溶剂中加热反应,然后在有
水的情况下加热反应产物继续反应,从而得到式(III)代表的化合物。