Abstract
Based on analysis of 1H and 13C NMR spectra of 9H-pyrimido[4,5-b]indole and its 4-phenyl-2-substituted derivatives, we have made assignments for the signals from the 1H and 13C atoms of these compounds.
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Borovik, V.P., Shakirov, M.M., Shkurko, O.P. et al. 1H and 13C NMR Spectra of 9H-Pyrimido[4,5-b]indoles. Chemistry of Heterocyclic Compounds 39, 1348–1354 (2003). https://doi.org/10.1023/B:COHC.0000010651.39458.76
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DOI: https://doi.org/10.1023/B:COHC.0000010651.39458.76