含1,3,4-噁二唑和偶氮苯结构聚合物单体的合成  

Synthesis of Monomer Containing 1,3,4-Oxadiazole and Azobenzene

作　　者：杨国凡[1] 张一鸣[1] 于世钧[1] 高博[1] 

机构地区：[1]辽宁师范大学化学化工学院,辽宁大连116029

出　　处：《辽宁化工》2012年第6期541-543,572,共4页Liaoning Chemical Industry

基　　金：国家自然科学基金(20973088);辽宁省教育厅科学研究基金(2009A392)资助项目

摘　　要：以间苯二甲酸为初始原料合成一种新型化合物5-[4-(十六烷氧基)苯基偶氮]-1,3-苯基-二(1,3,4-噁二唑硫)乙酸甲酯,采用IR、UV-vis和1H NMR对中间体和目标化合物结构进行了表征。365 nm紫外光照射下,5-[4-(十六烷氧基)苯基偶氮]-1,3-苯基-二(1,3,4-噁二唑硫)乙酸甲酯中偶氮苯结构发生光致反-顺异构化现象,计算得到光致反-顺异构化转化效率(R)、光稳态时顺式异构体含量(Y)及反-顺异构化速率常数(Kp)分别为80.95%、84.99%、和1.338 9 min-1。A novel compound 5-(4-hexadecyloxy-phenylazo)-1,3-phenyl-di(1,3,4-oxadoazoleyl sulfur) methyl acetate was synthesized with isophthalic acid as raw material.Structures of intermediates and target compound were characterized by IR,UV-vis,1H NMR.The azo structure in 5-(4-hexadecyloxy-phenylazo)-1,3-phenyl-di(1,3,4-oxadoazoleyl sulfur) methyl acetate took place trans-cis photoisomerization under 365 um UV irradiation.In the photostationary state,the efficiency of trans-cis photoisomerization(R) and the content of cis-isomer(Y) of azo chromophore were 80.95% and 84.99%,respectively.The rate constant of photoisomerization(kp) was 1.3389 min-1.

关 键 词：偶氮苯 噁二唑 聚合物单体 合成 表征 

分 类 号：O63[理学—高分子化学]