双吲哚啉螺吡喃化合物的合成及其酸和金属离子致变色性能

doi:10.3724/SP.J.1095.2014.30406

摘要/Abstract

摘要： 设计、合成了一种新型双吲哚啉螺吡喃化合物1，用核磁、红外及质谱等技术手段表征了其结构。利用紫外可见吸收光谱研究了化合物1的酸致变色和金属离子变色性能。结果表明，化合物1能够在氢离子或金属离子的作用下发生可逆的开环与闭环反应。当氢离子或金属离子加入到化合物1的异丙醇溶液中，溶液颜色从无色变为红色，同时产生460 nm新吸收峰。进一步加入氢氧根离子或EDTA溶液后，溶液颜色变回无色，460 nm处的吸收峰又消失。该化合物的酸和金属离子致变色性质在分子传感和离子识别等领域有潜在的应用价值。

关键词: 吲哚啉螺吡喃, 酸致变色, 金属离子致变色, 离子识别

Abstract: The design, synthesis, and structural characterization of a novel bisindolinospiropyran(1) was reported. The acidichromic and ionochromic properties of compound 1 were investigated. The results indicate that compound 1 possesses an interesting ring opening reaction with the addition of proton or several metal ions in isopropanol. Upon addition of hydrogen or metal ions(Fe3+, Al3+ and Cu2+), compound 1 shows a new absorption spectra peak around 460 nm, and the color of the solution changes from colorless to red. The color and absorption spectra of this compound can be restored when the hydroxide ions or EDTA is added. These properties can be applied to molecular sensors and ion recognition.

Key words: acidichromism, ionochromism, indolinospiropyran, sensor, ion recognition

中图分类号:

O621.2

刘辉, 李陵岚, 叶楚平. 双吲哚啉螺吡喃化合物的合成及其酸和金属离子致变色性能[J]. 应用化学, DOI: 10.3724/SP.J.1095.2014.30406.

LIU Hui1, LI Linglan2*, YE Chuping2. Synthesis and Acidichromic and Ionochromic Properties of Bisindolinospiropyran[J]. Chinese Journal of Applied Chemistry, DOI: 10.3724/SP.J.1095.2014.30406.

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