Kleber Thiago de Oliveira et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 63(3), 709-713 (2005-07-19)
A detailed analysis with total assignment of (1)H and (13)C NMR spectral data for a cycloheptenone derivative, a key intermediate for the synthesis of perhydroazulene terpenoids, is related. These assignments are based on 1D (1)H and (13)C NMR and on