Abstract
It is shown that in the reaction of 3-nitroquinolinium salts with aliphatic ketones and amines the ketone adds to the 2 and 4 positions with the formation of tricyclic adducts — benzazabicyclononane derivatives. Their conformational analysis was carried out on the basis of the NMR spectral data. Intermediate products of the monoaddition of ketones in the 4 position of the heteroring were isolated for the unsubstituted 3-nitroquinolinium salt.
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