A photochromic compound including a core skeletal structure represented by the following Formula (I), wherein D is oxygen or sulfur; E is oxygen, sulfur, or NR2 '; a is 0 or 1; R1 is hydrogen, or substituted or unsubstituted alkyl; R2 and R2' are each independently selected from hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, or substituted or unsubstituted heterocycloalkyl; and the photochromic compound is a thermally reversible photochromic compound.
一种光致变色化合物,包括由以下
化学式(I)表示的核心骨架结构,其中D为氧或
硫;E为氧、
硫或NR2';a为0或1;R1为氢,或取代或未取代的烷基;R2和R2'各自独立地选自氢、取代或未取代的烷基、取代或未取代的芳基、取代或未取代的杂芳基、或取代或未取代的杂环烷基;且所述光致变色化合物为热可逆光致变色化合物。