“…A simple example is tris(2-(dimethylamino)phenyl)methanol, which had been prepared and reported by Bayer a century ago [18]. Comparing with tris(4-(dimethylamino)phenyl)methanol (crystal violet base) [18,19], studies on this compound is rare, despite a long history of discovery. In this work, this tertiary alcohol was synthesized and studied as a model of this kind of compounds.…”