Abstract
The IR and UV spectra of stereoisomeric piperidines and decahydroquinolines were studied, and it was shown that the spectral characteristics (intensity of the long-wavelength “Bohlman” band of the C-H vibrations, the oscillator strength for the long-wavelength electron transition, etc.) depend on the orientation of the substituents attached to the 2- and 4-ring atoms. The problem of the capacity of the capacity of the p electrons of nitrogen for partial delocalization owing to the interaction with the anticoplanar α-C-H bonds is discussed.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 8, pp. 1081–1086, August, 1971
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Agashkin, O.V., Bogatkov, S.V., Praliev, K. et al. Spectroscopic study of the long-range interaction in saturated heterocycles. Chem Heterocycl Compd 7, 1014–1018 (1971). https://doi.org/10.1007/BF00477387
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DOI: https://doi.org/10.1007/BF00477387