The present invention relates to photochromic indeno fused phenanthrenopyran compounds represented by the following Formula (I). With some embodiments, the photochromic compounds represented by Formula (I) include at least one lengthening group (e.g., R6 and/or R7 each independently being a lengthening group) and the compounds of the present invention are photochromicdichroic compounds. The present invention also relates to photochromic compositions and photochromic articles, such as photochromic ophthalmic articles that include one or more photochromic compounds represented by Formula (I).
本发明涉及由以下式(I)表示的光致变色的
吲哚螺
芴并
联苯并
吡喃化合物。在某些实施例中,由式(I)表示的光致变色化合物包括至少一个延长基团(例如,R6和/或R7分别独立地是一个延长基团),本发明的化合物是光致变色二向性化合物。本发明还涉及光致变色组合物和光致变色物品,例如包括由式(I)表示的一个或多个光致变色化合物的光致变色眼科物品。