Abstract
4-Oxotetrahydrobenzoxazoles were obtained by the intramolecular cyclization of 2-acet-amidocyclohexane-1,3-diones with acetic anhydride, while hydrogenated phenazines, along with 2-aminocyclohexane-1,3-diones as side products, were obtained by acid hydrolysis. The formation of hydrogenated phenazines from 2-aminocyclohexanediones in acidic media was investigated. The structures of the hydrogenated phenazines and benzoxazoles were confirmed by a study of the reactivities and IR spectra.
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A. K. Aren and Dz. V. Bite, Izv. Akad. Nauk Latv. SSR, Ser. Khim., 246 (1971).
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 9, pp. 1283–1287, September, 1971.
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Aren, A.K., Bite, D.V. Hydrogenated phenazines and benzoxazoles based on 2-aminocyclohexane-1, 3-diones. Chem Heterocycl Compd 7, 1204–1207 (1971). https://doi.org/10.1007/BF00510039
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DOI: https://doi.org/10.1007/BF00510039