Abstract
3,3-Dimethyl-3,4-dihydroisocarbostyryl azine (2) has been synthesized by oxidation of l-hydrazino-3,3-dimethyl-3,4-dihydroisoquinoline (1). The crystal and molecular structures of compound 2 were determined. It has been established that in the solid state, compound2 exists as an azine tautomer. The IR, electronic, and NMR spectral data indicate that in solution the tautomeric form of2 does not change. A possible mechanism of the oxidation of1 to2 is suggested.
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Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 12, pp. 2468–2474, December, 1995.
The authors are grateful to Professor V. F. Zakharov (Russian University of People's Friendship) for recording the1H NMR spectra.
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Sokol, V.I., Ryabov, M.A., Merkur'eva, N.Y. et al. Oxidation of 1-hydrazino-3,3-dimethyl-3,4-dihydroisoquinoline. X-ray, spectroscopic, and quantum-chemical study of the structure of 3,3-dimethyl-3,4-dihydroisocarbostyryl azine. Russ Chem Bull 44, 2364–2370 (1995). https://doi.org/10.1007/BF00713609
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DOI: https://doi.org/10.1007/BF00713609