Abstract
Oximation of songorine afforded a mixture of its Z- and E-oximes. The crystal and molecular structure of the Z-isomer was established by X-ray diffraction analysis. Its structure was also confirmed by the spectral data (2D 1H—1H and 13C—1H NMR spectroscopy and mass spectrometry). The structure of isomeric E-oxime was established by comparing its NMR spectroscopic data (1H and 13C) with the data for the Z-isomer.
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Bagryanskaya, I.Y., Gatilov, Y.V., Ganbaatar, J. et al. Study of alkaloids from the flora of the Siberian and Altai regions. 6. Crystal and molecular structure of songorine Z-oxime. Russian Chemical Bulletin 50, 2092–2094 (2001). https://doi.org/10.1023/A:1015041116014
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DOI: https://doi.org/10.1023/A:1015041116014