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设计合成了一个基于双吡唑啉结构的双功能荧光探针1,1’-(5,5’-(6,6’-二羟基-5,5’-二甲氧基联苯-3,3’-二基)双(3-(2-羟基苯基)-1H-吡唑-5,1-(4H,5H)-二基))二乙酮(C1).利用核磁共振氢谱、碳谱、质谱及元素分析对其结构进行了表征,并通过紫外吸收光谱和荧光光谱研究了探针C1及其对金属离子在4-羟乙基哌嗪乙磺酸(HEPES)缓冲溶液[V(MeOH)∶V(H_2O)=1∶1,20 mol·L~(-1),pH=7.4]中的选择性识别作用.结果表明,探针C1对Cu~(2+)和Zn~(2+)有着较高的选择性和灵敏度,并能通过不同的荧光现象对目标离子的识别加以区分.
A bifunctional fluorescent probe based on bispyrazoline structure 1,1 ’- (5,5’ - (6,6’-dihydroxy-5,5’-dimethoxybiphenyl-3, (C1H) -diyl)) diethyl ether (C1) was synthesized using 1H-NMR, Their structures were characterized by GC, MS and elemental analyzes. The effects of probe C1 and its interaction with metal ions in a buffer solution of 4-hydroxyethylpiperazine ethanesulfonic acid (HEPES) [V (H 2 O) = 1: 1, 20 mol·L -1, pH = 7.4]. The results showed that the probe C1 could selectively recognize Cu 2+ and Zn 2+ (2+) has high selectivity and sensitivity, and can distinguish the target ions through different fluorescence phenomena.