volume 12, issue 1, P77-80 2021
DOI: 10.5155/eurjchem.12.1.77-80.2068
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Alisher Eshimbetov, Shahobiddin Adizov, Inderpreet Kaur, Akhmed Reymov

Abstract: Several studies have reported the presence of amine and imine tautomeric forms for hydrogenated 1,3-thiazine derivatives. However, identification of their tautomeric forms by UV, FTIR and mass-spectral methods does not yield expected results. Here, we report the synthesis of 2-phenylaminodihydro-1,3-thiazine and 2-phenyliminotetrahydro-1,3-thiazine and the analysis of their UV, FTIR and NMR (1H and 13C) spectral data. An identical picture of UV spectra was recorded for both compounds. However, distinctive char…

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