方酰化双罗丹明型荧光探针的合成及对Fe^(3+)的识别  

Synthesis of Squaramide Bis( Rhodamine)-Based Fluorescent Probe and Recognition Properties for Fe^(3+)

作　　者：陈稼轩[1] 熊俊如[1] 向清祥[1] 张丽群[1] 田怡[1] 李艳[1,2] 

机构地区：[1]乐山师范学院化学学院,四川乐山614004 [2]西南大学化学化工学院,重庆400715

出　　处：《化学试剂》2014年第2期157-159,164,共4页Chemical Reagents

基　　金：四川省科技厅应用基础项目(2011JYZ006;2009JY0078);乐山市科技局重点项目资助项目(2011SZD-107)

摘　　要：以罗丹明乙二胺、方酸二乙酯为原料合成了一个Fe3+荧光探针RSQ,其结构经1HNMR,MS,元素分析表征。通过荧光光谱法研究了RSQ在V(CH3CN)∶V(H2O)=95∶5溶液中对Fe3+的识别特性。结果表明,RSQ可作为荧光探针选择性识别Fe3+,识别过程是可逆的。A novel Fe3＋ fluorescent probe RSQ was synthe- sized by condensation reaction of rhodamine B ethylenediamine and diethyl squarate,and its structure was confirmed by 1HNMR,MS and elemental analysis. The recognition properties of RSQ with Fe3＋ have been investigated in CH3CN/H2O （95/5, V/V） solution by the fluorescence spectrophotometry. The results showed that the RSQ as fluorescent probe exhibi- ted selective recognition of Fe3＋ and this recognition was reversible.

关 键 词：罗丹明B 荧光探针 FE3+ 识别 

分 类 号：O657.3[理学—分析化学]