Colorimetric signaling of hydrogen sulfide by reduction of a phenylseleno-nitrobenzoxadiazole derivative

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• 作者：Jihee Bae ; Myung Gil Choi ; Jiyoung Choi ; Suk-Kyu Chang
• 关键词：Hydrogen sulfide ; Colorimetry ; Probe ; Reduction ; Nitrobenzoxadiazole derivative ; Selenoether
• 刊名：Dyes and Pigments
• 出版年：December, 2013
• 年：2013
• 卷：99
• 期：3
• 页码：748-752
• 全文大小：1496 K

文摘

A new reaction-based probe for the colorimetric signaling of hydrogen sulfide was developed. Reduction of the nitro group of a nitrobenzoxadiazole moiety to an amino group resulted in pronounced chromogenic signaling in the form of a yellow to pink color change. The transformation of the nitro group to amino group was confirmed by the ¹H NMR spectroscopy. The seleno derivative showed more efficient signaling behavior than the phenylthio and phenoxy analogues. Hydrogen sulfide signaling of phenylseleno-nitrobenzoxadiazole probe was fast and completed immediately after sample preparation. Selective signaling of hydrogen sulfide was possible in the presence of commonly encountered metal ions and anions with a detection limit of 2.1聽脳聽10^鈭?聽M.