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Tailor-Made Synthesis of N,N,2,6-Tetrasubstituted 4-Nitroanilines by Three-Component Ring Transformation of Dinitropyridone Le, Song Thi Asahara, Haruyasu Nishiwaki, Nagatoshi This is the accepted version of the following article: European Journal of Organic Chemistry, 2015(6), 1203-1206, 2015-02, which has been published in final form at http://dx.doi.org/10.1002/ejoc.201403652. This article may be used for non-commercial purposes in accordance with the Wiley Self-Archiving Policy [olabout.wiley.com/WileyCDA/Section/id-820227.html]. The ring transformation of dinitropyridone afforded various kinds of 2,6-disubstituted-4-nitroanilines upon treatment with aliphatic ketones in the presence of ammonium acetate as a nitrogen source, wherein dinitropyridone behaved as the synthetic equivalent of unstable nitromalonaldehyde. The benzene ring, as well as the amino group of the nitroaniline framework, was easily modified by only changing a ketone and the nitrogen source, which afforded N,N,2,6-tetrasubstituted 4-nitroanilines in good to excellent yields. WILEY-VCH Verlag GmbH 2015-02 eng journal article AM http://hdl.handle.net/10173/1470 https://kutarr.kochi-tech.ac.jp/records/286 10.1002/ejoc.201403652 1099-0690 European Journal of Organic Chemistry 2015 6 1203 1206 https://kutarr.kochi-tech.ac.jp/record/286/files/28-44.pdf application/pdf 492.2 kB 2019-02-13