Organic photochromic compound, a dimer of pyrido quinoline
申请人:Seikisui Kagaku Kogyo Kabushiki Kaisha
公开号:US05091535A1
公开(公告)日:1992-02-25
An organic photochromic compound with improved long term preservability, thermal stability, the repetition character of the record and the like and useful as recording-memory materials or photosensitizers, comprising dimers of the compounds selected from the group consisting of pyrido[3,4-g]isoquinoline, pyrido[2,3-g]quinoline, pyrido[3,2-g]quinoline and pyrido[3,2-g]quinoline derivatives.
An organic photochromic compound with improved long term preservability, thermal stability, the repetition character of the record and the like and useful as recording-memory materials or photosensitizers, comprising the compound selected from pyrido[3,4-g]isoquinoline, pyrido[2,3-g]quinoline, pyrido[3,2-g]quinoline and pyrido[3,2-g]quinoline derivatives.