[EN] PHOTOCHROMIC INDENO-FUSED NAPHTHOPYRAN COMPOUNDS WITH REDUCED TEMPERATURE DEPENDENCE<br/>[FR] COMPOSÉS NAPHTOPYRANES INDÉNO-FUSIONNÉS PHOTOCHROMIQUES AYANT UNE DÉPENDANCE À LA TEMPÉRATURE RÉDUITE
申请人:TRANSITIONS OPTICAL LTD
公开号:WO2019228604A1
公开(公告)日:2019-12-05
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。