It had been reported on Photochromic behavior of spirooxazine ramification,people were intersted in two aspect: one is designed the different spirooxazine;

• 有关螺恶嗪的衍生物的光致变色研究已有多人报道,人们的兴趣主要集中在设计不同的螺恶嗪分子,研究分子结构对光致变色行为的影响。