取代基对2—取代苯乙烯基苯并噻唑的紫外吸收光谱的影响  

Substituent Effect on the UV Spectra of 2-Substituted Styrylbenzothiazole

作　　者：张建恒[1] 楚永红[1] 王双伟 南志祥[1] 刘志杰[1] 

机构地区：[1]西北大学化学系,西安710069

出　　处：《西北大学学报（自然科学版）》1997年第1期41-43,共3页Journal of Northwest University（Natural Science Edition）

基　　金：国家自然科学基金

摘　　要：考察10种2-取代苯乙烯基苯并噻唑的紫外吸收光谱，发现随取代基共扼效应的增强，吸收带红移，位移量△λ与衡量共轭效应的取代基常数△σ（△＝σP-σm）之间符合Hammett方程。The substituent effect on the UV spectra of the 2-substituted styrylbenzothiazole has beenstudied. It is observed that the spectra undergo a red .hift as the conjugative effect of substituentsbecomes stronger. It is obtainted a good linear relationship between the shift of UV of p-substitutedcompounds and conjugation effect.

关 键 词：取代苯乙烯基 苯并噻唑 取代基效应 紫外光谱 

分 类 号：O626.25[理学—有机化学]