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Dual signaling of m-chloroperbenzoic acid by desulfurization of thiocoumarin
- Issue Date
- Dec-2010
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Citation
- TETRAHEDRON LETTERS, v.51, no.50, pp 6663 - 6665
- Pages
- 3
- Journal Title
- TETRAHEDRON LETTERS
- Volume
- 51
- Number
- 50
- Start Page
- 6663
- End Page
- 6665
- ISSN
- 0040-4039
- 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. (C) 2010 Elsevier Ltd. All rights reserved.
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