《化学科学与工程前沿（英文）》
>> 2022年
第16卷
第1期
doi:
10.1007/s11705-021-2080-8
Near-infrared benzodiazoles as small molecule environmentally-sensitive fluorophores
收稿日期：
23 Feb 202
修回日期：
04 Jun 202
录用日期：
27 Dec 202
发布日期：
2022-01-15
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摘要
The development of fluorophores emitting in the near-infrared spectral window has gained increased attention given their suitable features for biological imaging. In this work, we have optimised a general and straightforward synthetic approach to prepare a small library of near-infrared-emitting C-bridged nitrobenzodiazoles using commercial precursors. C-bridged benzodiazoles have low molecular weight and neutral character as important features that are not common in most near-infrared dyes. We have investigated their fluorescence response in the presence of a wide array of 60 different biomolecules and identified compound 3i as a potential chemosensor to discriminate between Fe2+ and Fe3+ ions in aqueous media.
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