Abstract
The alkylation and acylation of 2,4-disubstituted 1,2-dihydro-4H-3,1-benzoxazines were used to obtain N-methyl and N-acetyl derivatives of these compounds for the first time.1H NMR was used to reveal several conformational features of these compounds relative to their donor—acceptor properties at positions 2, 3, and 4 of the heterocycle.
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Additional information
Communication 11, see [2].
Kuban State Technological University, 350072 Krasnodar. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 841–846, June, 1997.
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Gromachevskaya, E.V., Kosulina, T.P., Kvitkovskii, F.V. et al. Investigation of 4H-3,1-benzoxazines. Chem Heterocycl Compd 33, 736–740 (1997). https://doi.org/10.1007/BF02291810
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DOI: https://doi.org/10.1007/BF02291810