CAJ | 학술논문

以对氨基苯甲酸为原料,经重氮偶合、取代和酯化等一系列反应,合成一种新型含手性碳的偶氮苯化合物——4-（羧酸-2-甲基丁酯酯基）-（4＇-辛氧基）偶氮苯（MBCO-Azo）.利用红外光谱（FT-IR）和核磁共振氢谱（1H-NMR）对其结构进行了鉴定.通过紫外可见吸收光谱（UV-Vis）研究MBCO-Azo在甲醇溶液中的光异构化反应.结果表明：在360 nm紫外光照射下,MBCO-Azo发生由反式到顺式异构化反应,随后在440 nm可见光照射下发生由顺式到反式异构化反应.在光异构化中MBCO-Azo最大吸收波长变化较宽,可达到24 nm.由于手性单元的引入,MBCO-Azo由反式到顺式的光异构化速率略大于4-（羧基）-（4＇-辛氧基）偶氮苯（CO-Azo）,而顺式到反式的回复速率则略小.
이대안기분갑산위원료,경중담우합、취대화지화등일계렬반응,합성일충신형함수성탄적우담분화합물——4-（최산-2-갑기정지지기）-（4＇-신양기）우담분（MBCO-Azo）.이용홍외광보（FT-IR）화핵자공진경보（1H-NMR）대기결구진행료감정.통과자외가견흡수광보（UV-Vis）연구MBCO-Azo재갑순용액중적광이구화반응.결과표명：재360 nm자외광조사하,MBCO-Azo발생유반식도순식이구화반응,수후재440 nm가견광조사하발생유순식도반식이구화반응.재광이구화중MBCO-Azo최대흡수파장변화교관,가체도24 nm.유우수성단원적인입,MBCO-Azo유반식도순식적광이구화속솔략대우4-（최기）-（4＇-신양기）우담분（CO-Azo）,이순식도반식적회복속솔칙략소.
A novel azobenzene compound containing chiral carbon,4-（2-methyl butylcarboxylate）-（4′-octyloxy）azobenzene（MBCO-Azo）was synthesized by diazo coupling,substitution and esterification reaction.The structures of compounds were characterized by FT-IR and 1H-NMR.The photoisomerization of MBCO-Azo was investigated using UV-Vis spectroscopy.The results indicate that MBCO-Azo in MeOH can undergo trans→cis isomerization irradiated with 360 nm UV-light,and cis→trans isomerization irradiated subsequently with 440 nm visible light.The change of the maximum absorption wavelength of MBCO-Azo became widely.The ratio of trans→cis isomerization of MBCO-Azo was slightly faster than that of 4-（carboxy）-（4′-octyloxy）azobenzene（CO-Azo）,while the ratio of cis→trans isomerization of MBCO-Azo was slight slower than that of CO-Azo due to the introduction of chiral carbon.