Provided are a compound which is excellent in solubility in a solvent and easily provides a film exhibiting high mobility without complicated processes, an organic semiconductor material using the same, and an organic semiconductor ink which enables easy fabrication of an organic transistor composed of a practical configuration. The problems are solved by a method of producing a dinaphthothiophene derivative, the method including the following steps (I) and (II): (I) a first step of subjecting a naphthol derivative represented by General Formula (A) and a naphthalene thiol derivative represented by General Formula (B) to dehydration condensation in the presence of acid to produce a sulfide derivative represented by General formula (C); and (II) a second step of performing dehydrogenation reaction of the sulfide derivative (C) in the presence of a transition metal salt or a transition metal complex to produce a dinaphthothiophene derivative (D).
提供了一种在溶剂中具有优异溶解性并且能够轻松提供具有高迁移率的薄膜,而无需复杂工艺的化合物,以及使用该化合物的有机半导体材料,以及一种有机半导体墨
水,可以便于制备由实用结构组成的有机晶体管。通过生产一种二
萘噻吩衍
生物的方法来解决问题,该方法包括以下步骤(I)和(II):(I)首先,将通式(A)表示的
萘酚衍
生物和通式(B)表示的
萘硫醇衍
生物在酸的存在下进行脱
水缩合,以产生通式(C)表示的
硫醚衍
生物;(II)第二步,在过渡
金属盐或过渡
金属配合物的存在下,对
硫醚衍
生物(C)进行脱氢反应,以产生二
萘噻吩衍
生物(D)。