分别使用水杨醛和2-羟基-1-萘甲醛与2-巯基-3-氨基吡啶反应得到了希夫碱配体L1、L2,在三乙胺和三氟化硼乙醚的反应条件下得到了2-(2'-羟基苯基)吡啶并噻唑配体L3和氟硼化合物B1、B2,通过X-射线单晶衍射分析确定了L3和B1的晶体结构.2-(2'-羟基苯基)吡啶并噻唑类化合物(简称HPT)是一类具有激发态质子转移(ESIPT)效应的有机分子,本文通过紫外可见吸收光谱和稳态荧光光谱研究了溶剂极性对ESIPT效应的影响.
参考文献
[1] | Ormson S M;Brown R G .Excited state intramolecular proton transfer.Ⅰ:ESIPT to nitrogen[J].Progress in Reaction Kinetics and Mechanism,1994,19:45-91. |
[2] | Moses Dennison S.;Jayanti Guharay;Pradeep K.Sengupta .Intramolecular excited-state proton transfer and charge transfer fluorescence of a 3-hydroxyflavone derivative in micellar media[J].Spectrochimica acta, Part A. Molecular and biomolecular spectroscopy,1999(4):903-909. |
[3] | Madsen D.;Dreyer J.;Nibbering ETJ.;Hamm P.;Elsaesser T.;Stenger J. .Coherent vibrational ground-state dynamics of an intramolecular hydrogen bond[J].Chemical Physics Letters,2001(1/2):56-62. |
[4] | Wang H.;Zhang H.;Abou-Zied OK.;Yu C.;Romesberg FE.;Glasbeek M. .Femtosecond fluorescence upconversion studies of excited-state proton-transfer dynamics in 2-(2 '-hydroxyphenyl)benzoxazole (HBO) in liquid solution and DNA[J].Chemical Physics Letters,2003(5-6):599-608. |
[5] | Shuizhu Wu;Shaojing Luo;Weilong She;Duanbin Luo;Hai Wang .All-optical switching effects in poly(methyl methacrylate) composites[J].Reactive & functional polymers,2003(issue 1):83-88. |
[6] | Guo Y X;Li X P;Zheng J J et al.All optical switching effect of 7-hydroxyquinolone in dimenthyl sulfoxide solvent[J].Journal of Optoelectronics·Laser,2006,17(01):90-93. |
[7] | Han Y K;Ko B S .Synthis of new erasable optical data storage polymers and their applications[J].Optical Materials,2003,21(01):621-625. |
[8] | Z. Hongbing;C. Wenzhe;W. Minquan .Study on the optical limiting mechanism of metallo-phthalocyanine/silica gel glass composites[J].Materials Letters,2005(11):1395-1399. |
[9] | 马丽娜,南景宇,吴峰,田玮,陈文驹,张桂兰.3-羟基黄酮在不同极性和酸碱度溶剂中的光谱研究[J].光谱学与光谱分析,2009(04):994-998. |
[10] | G.Angulo;G.Angulo;J.A.Organero .Probing the Behavior of Confined Water by Proton-Transfer Reactions[J].The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical,2006(47):24231-24237. |
[11] | Stefan Lochbrunner;Alexander J. Wurzer;Eberhard Riedle .Microscopic Mechanism of Ultrafast Excited-State Intramolecular Proton Transfer: A 30-fs Study of 2-(2'-Hydroxyphenyl)benzothiazole[J].The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory,2003(49):10580-10590. |
[12] | M. A. Rios;M. C. Rios .Ab Initio Study of the Hydrogen Bond and Proton Transfer in 2-(2'-Hydroxyphenyl)benzothiazole and 2-(2'-Hydroxyphenyl)bezimidazole[J].The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory,1998(9):1560-1567. |
[13] | LiuYF;LiQT;ZhaoJ Z;Guo H M .BF2-boundchromophore-containing NN Pt (Ⅱ) bisacetylide complex and its application as sensitizer for triplet triplet annihilation based upconversion[J].RSC Advances,2012,2:1061-1067. |
[14] | Higashi T.Empirical Absorption Correction Based on Fourier Series Approximation[M].,1995 |
[15] | Sheldrick G M.SHELXS 97,Program for Crystal Structure Solution[M].G6tingen:University of G tingen,1997 |
[16] | Sheldrick G M.SHELXL 97,Program for the Refinement of Crystal Structure[M].,1997 |
[17] | Roberts E L;Dey J;Warner I M .Ground-and excited (state structural orientation of 2-(2'-hydroxyphenyl) benzazoles in cyclodextrins[J].Journal of Physical Chemistry. B: Materials, Surfaces, Interfaces and Biophysical,1996,100:19681-19686. |
[18] | Mintova S;Wade V D;Holzl M et al.Photochemistry of 2-(2'-hydroxyphenyl)benzothiazole encapsulated in nanosized zeolited[J].Journal of Physical Chemistry A,2004,108:10640-10648. |
[19] | 胡睿,郭旭东,杨国强.激发态分子内质子转移化合物的性能及作为荧光化学传感器的应用研究[J].影像科学与光化学,2013(05):335-348. |
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