摘要
本文报道四个芳环取代的俘精酸酐:2-亚异丙基-3-[1-(4-甲氧苯基)-亚乙基]-丁二酸酐(BF1);2-亚异丁基-3-1[1-(4-甲氧苯基)-亚乙基]-丁二酸酐(BF2);2-亚异丙基-3-[1-(α-萘基)-亚乙基]-丁二酸酐(NF1);2-亚异丙基-3-[1-(β-萘基)-亚乙基]-丁二酸酐(NF2)的合成及其光致变色性质.测定了它们在不同溶剂中光致变色前后的吸收光谱.利用纳秒级激光闪光光解技术研究了它们的光致变色过程,并讨论了其光致变色机理.结果表明,这类芳环取代的俘精酸酐的光致环合反应是经过激发单重态进行的快速过程.
In this paper, we report the synthesis and photochromism of four aryl fulgides:(E)-1-(p- methoxyphenyl) ethylidene (isopropylidene) succinic anhydride (BF1), (E)-1-(p-methoxyphenyl) ethylidene ( isobutylidene ) succinic anhydride ( BF2 ), ( E ) - a -naphthylethylidene ( isopropylidene) succinic anhydride ( NF1 ),(E)- β - naphthylethylidene (isopropylidene) succinic anhydride (NF2). Photochromic processes of these compounds have been studied by nanosecond laser flash photolysis technique, the reaction mechanism has been discussed. It was found that photoinduced cyclization of aryl fulgides is a fast process, and only the excited signlet state is involved in the photocyclization reaction.
出处
《化学学报》
SCIE
CAS
CSCD
北大核心
1996年第7期716-721,共6页
Acta Chimica Sinica
基金
中国科学院重大项目
国家自然科学基金资助项目
