A method of producing a first ethynyl compound represented by the following formula (1), the method including reacting a second ethynyl compound represented by the following formula (2) in a liquid phase in the presence of a reducing agent to obtain the first ethynyl compound, wherein Q
1
represents an organic group; R
1
and R
2
each independently represent a hydrogen atom or a hydrocarbon group; and R
1
and R
2
may be bonded to each other.
生产第一
乙炔化合物的方法如下:在液相中,在还原剂的存在下,将以下式(2)所代表的第二
乙炔化合物与反应,从而得到第一
乙炔化合物,其中Q1代表一个有机基团;R1和R2各自独立地代表氢原子或碳氢基团;R1和R2可以彼此相互连接。