Dual signaling of m-chloroperbenzoic acid by desulfurization of thiocoumarin |
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Authors: | Sunyoung Cha |
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Affiliation: | Department of Chemistry, Chung-Ang University, Seoul 156-756, Republic of Korea |
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Abstract: | The chemosignaling of widely used peracid oxidant of m-chloroperbenzoic acid (mCPBA) by the selective desulfurization of thiocoumarin was investigated. Thiocoumarin was efficiently converted into its corresponding coumarin by the reaction with mCPBA, and resulted in a pronounced fluorescent turn-on type signaling. The conversion also provided a significant change in absorption behavior which allowed a ratiometric analysis. The effective signaling could be used as a convenient determination method for mCPBA in aqueous environment. |
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