Chemistry of Heterocyclic Compounds p. 1048 - 1053 (1993)
Update date:2022-08-12
Topics:
Strozhev, M. F.
Lielbriedis, I. E.
Condensation of 5-arylidene-2,2-dimethyl-1,3-dioxane-4,6-diones with 5,5-dimethyl-3-arylamino-2-cyclohexanones yields 1,4-diaryl-7,7-dimethyl-1,2,3,4,5,6,7,8-octahydroquinoline-2,5-diones.The compounds have been characterized from their IR, UV, and PMR spectra.It has been established that the N-phenyl ring, which projects from the plane of the octahydroquinolinedione ring, has a shielding effect on the magnetic field of the protons at the 7- and 8-positions of the ring in the molecules of the compounds synthesized.
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Doi:10.1016/0031-9422(88)84113-X
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