Journal of Structural Chemistry p. 729 - 733 (1985)
Update date:2022-08-10
Topics:
Obodovskaya, A. E.
Starikova, Z. A.
Ivanov, Yu. A.
Pokrovskaya, I. E.
An x-ray diffraction structural analysis was carried out on 6-hydroxy-1,2-dihydro- and 6-oxo-2,6-dihydro-2,2,4-trimethylquinolines on a diffractometer using λMo radiation.The structure was solved by the direct method and refined by the anisotropic method of least squares to give R = 0.044 and 0.040.The dihydrogenated ring in the 6-hydroxy derivative is nonplanar.The length of the C-C(=C) bond (1.470 Angstroem) and the nonplanarity of the ?-systems of the C=C double bond and of the benzene ring (dihedral angle 15.4 deg) indicate less conjugation in comparison with planar molecules.
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