Provided is a crosslinked hexaaryl bisimidazole compound which can achieve photochromic characteristics, i.e., visually showing decoloring simultaneously with the stop of light irradiation and enables precise control of color tone, density and so on in coloring. Also provided are a method for producing the aforesaid compound whereby the degrees of freedom in molecular design and synthesis can be increased, and a precursor compound to be used in the production method.
本发明提供了一种交联的六芳基
双咪唑化合物,该化合物可实现光致变色特性,即在停止光照射的同时在视觉上显示脱色,并可在着色时精确控制色调、浓度等。此外,还提供了一种生产上述化合物的方法,可提高分子设计和合成的自由度,以及一种用于生产方法的前体化合物。