A process for preparing a 3-aminophenylacetylene compound of formula (5), including: a) reacting a 3-haloaniline compound of formula (1) with an acetylene compound of formula (2) in the presence of a palladium compound, a copper compound, and an amine compound of formula (3) to form an aniline compound of formula (4); b) precipitating the aniline compound of formula (4) in the form of a crystal, and isolating it by solid/liquid separation; and c) reacting the aniline compound of formula (4) with a base to obtain 3-aminophenylacetylene.
制备一种化合物的过程,该化合物的分子式为(5),包括:a)在
钯化合物、
铜化合物和分子式为(3)的胺化合物存在下,将分子式为(1)的3-卤
苯胺化合物与分子式为(2)的
乙炔化合物反应,形成分子式为(4)的
苯胺化合物;b)将分子式为(4)的
苯胺化合物沉淀成晶体形式,并通过固液分离将其分离出来;c)将分子式为(4)的
苯胺化合物与碱反应,得到
3-氨基苯乙炔。