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Title: Oxidation reactions using polymer-supported 2-benzenesulfonyl-3-(4- nitrophenyl)oxaziridine
Authors: Susanto, W.
Lam, Y. 
Keywords: Epoxide
Polymer-supported 2-benzenesulfonyl-3-(4-nitrophenyl)oxaziridine
Pyridine N-oxide
Spiro fused 5-imidazolone
Issue Date: 28-Oct-2011
Citation: Susanto, W., Lam, Y. (2011-10-28). Oxidation reactions using polymer-supported 2-benzenesulfonyl-3-(4- nitrophenyl)oxaziridine. Tetrahedron 67 (43) : 8353-8359. ScholarBank@NUS Repository.
Abstract: A thermally stable polymer-supported oxidant has been developed. Polymer-supported 2-benzenesulfonyl-3-(4-nitrophenyl)oxaziridine was applied to microwave-assisted reactions that occurred at high temperatures and was shown to oxidize alkenes, silyl enol ethers, and pyridines to the corresponding epoxides and pyridine N-oxides in excellent to good yields and with much shorter reaction times. It also enabled tetrahydrobenzimidazoles to be oxidatively rearranged to spiro fused 5-imidazolones in a more efficient manner. Recycling of the polymer-supported oxidant is also possible with minimal loss of activity after several reoxidations. © 2011 Elsevier Ltd. All rights reserved.
Source Title: Tetrahedron
ISSN: 00404020
DOI: 10.1016/j.tet.2011.08.058
Appears in Collections:Staff Publications

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