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Several heterocyclic compounds, such as dihydropyridine, pyridine, tetrahydroquinoline and hexahydroquinoline derivatives, were prepared by the reaction of benzoylacetonitrile with such ketones as acetone, cyclopentanone, cyclohexanone, alkylcyclohexanone, alkylidenecyclohexanone, and aromatic α,β-unsaturated ketone in the presence of ammonium acetate.
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Sakurai et al. (1969) studied this question.
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