| 摘要 |
NEW MATERIAL:A compound expressed by formula I [R<1>-R<3> represent (substituted)alkyl, (substituted)alkenyl, (substituted)cycloalkyl or (substituted)aryl, and R<2> and R<3> may link with each other to form ring; X<1> and Y<1> represent (substituted)hydrocarbon aromatic ring or heterocyclic aromatic ring]. EXAMPLE:A spirooxazine compound expressed by formula II. USE:Various kinds of recording and memory material, copying material, photosensitive material for printing, light-controlling material, photosensitive material for laser, photosensitive material for photocomposition, optical filter, masking material and material for actinometer and display, which has superior durability of coloring density and colored state. PREPARATION:An indolenine derivative expressed by formula III is alkylated with a p-toluenesulfonic ester expressed by formula IV and reacted with a nitroso-hydroxy derivative expressed by formula V. |
