Syntheses of heterocyclic compounds—I Cyclization of N-substituted O-nitroanilines |
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| Authors: | R. H. Smith and H. Suschitzky |
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| Affiliation: | Department of Chemistry and Applied Chemistry, Royal College of Advanced Technology, Salford, and Salford Technical College, Salford, Lancs U.S.A. |
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| Abstract: | Internal cyclization of a nitrogroup was carried out by heating the N-substituted o-nitroanilines (I; R=C6H11---, C6H5.CH2, C6H5.CH2.CH2---, X=NH) in the presence of ferrous oxalate1 (Waterman and Vivian's method) as a potential route to partly hydrogenated nitrogen heterocycles. A mechanism for this type of ring-closure is proposed. |
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