辽宁师范大学学报(自然科学版)
遼寧師範大學學報(自然科學版)
료녕사범대학학보(자연과학판)
JOURNAL OF LIAONING NORMAL UNIVERSITY(NATURAL SCIENCE)
2013年
1期
67-70
,共4页
于世钧%刘祥利%王立红%于明川%刘晶
于世鈞%劉祥利%王立紅%于明川%劉晶
우세균%류상리%왕립홍%우명천%류정
偶氮苯‐喹啉%合成%表征%性能
偶氮苯‐喹啉%閤成%錶徵%性能
우담분‐규람%합성%표정%성능
azobenzene‐quinoline%synthesis%characterization%property
以间苯二甲酸为原料,经多步反应合成了1种新型烷氧基偶氮苯‐喹啉化合物(E)5‐[8‐(十六烷氧基)喹啉‐5‐偶氮]‐1,3‐苯二甲酸二乙酯,通过 IR、UV‐Vis 和1 H NMR对其结构进行了表征.利用吸收光谱和发射光谱研究了目标化合物的反‐顺异构化和发光性能.目标化合物(2.0×10-5 mol/L 的DM F溶液)在365 nm紫外光照射下,398 nm处的偶氮苯‐喹啉结构 K 带π‐π倡跃迁吸收峰及267 nm 处芳香环的B 带π‐π倡跃迁吸收峰逐渐减弱,光照7 min后达到光稳态.目标化合物(2.0×10-5 mol/L的DM F溶液)以312 nm光激发下,在418 nm处发射蓝紫色荧光.
以間苯二甲痠為原料,經多步反應閤成瞭1種新型烷氧基偶氮苯‐喹啉化閤物(E)5‐[8‐(十六烷氧基)喹啉‐5‐偶氮]‐1,3‐苯二甲痠二乙酯,通過 IR、UV‐Vis 和1 H NMR對其結構進行瞭錶徵.利用吸收光譜和髮射光譜研究瞭目標化閤物的反‐順異構化和髮光性能.目標化閤物(2.0×10-5 mol/L 的DM F溶液)在365 nm紫外光照射下,398 nm處的偶氮苯‐喹啉結構 K 帶π‐π倡躍遷吸收峰及267 nm 處芳香環的B 帶π‐π倡躍遷吸收峰逐漸減弱,光照7 min後達到光穩態.目標化閤物(2.0×10-5 mol/L的DM F溶液)以312 nm光激髮下,在418 nm處髮射藍紫色熒光.
이간분이갑산위원료,경다보반응합성료1충신형완양기우담분‐규람화합물(E)5‐[8‐(십륙완양기)규람‐5‐우담]‐1,3‐분이갑산이을지,통과 IR、UV‐Vis 화1 H NMR대기결구진행료표정.이용흡수광보화발사광보연구료목표화합물적반‐순이구화화발광성능.목표화합물(2.0×10-5 mol/L 적DM F용액)재365 nm자외광조사하,398 nm처적우담분‐규람결구 K 대π‐π창약천흡수봉급267 nm 처방향배적B 대π‐π창약천흡수봉축점감약,광조7 min후체도광은태.목표화합물(2.0×10-5 mol/L적DM F용액)이312 nm광격발하,재418 nm처발사람자색형광.
A novel hexadecyloxyacetic azobenzene‐quinoline compound 5‐[8‐(hexadecyloxyacetic ) Quinolinylazo ]‐1 ,3‐diethyl phthalate was synthesized through multi‐step reaction with isophthalic acid as raw material .The structures and properties of the target compound were comfirmed by IR、UV‐Vis and 1 H NMR .The absorption and emission spectra has rearched trans‐cis isomerization of the target compound and the optical performance .The target compound (2 .0 × 10 -5 mol/L DM F solu‐tion) took place trans‐cis photoisomerization under 365 nm UV irradiation ,the transition absorption peak of azobenzene‐quinoline at 398 nm and the transition absorption peak of aromatic rings at 267 nm were increasingly weakened .The photostationary state was obtained after irradiation for 7 min .With the ultraviolet excitement at 312 nm ,target compound (2 .0 × 10-5 mol/L DM F solution) emit blue‐violet fluorescence at 418 nm .