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|Title:||Oxidation reactions using polymer-supported 2-benzenesulfonyl-3-(4- nitrophenyl)oxaziridine|
Spiro fused 5-imidazolone
|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. https://doi.org/10.1016/j.tet.2011.08.058|
|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.|
|Appears in Collections:||Staff Publications|
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