Azines of the Isoquinoline Series: III. Reactions of Substituted 1-Hydrazono-3,4-dihydroisoquinolines with Dicarbonyl Compounds |
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Authors: | V. A. Glushkov Yu. V. Shklyaev |
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Affiliation: | (1) Institute of Technical Chemistry, Ural Division, Russian Academy of Sciences, Perm, Russia |
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Abstract: | 3,3-Dimethyl-1-hydrazono-1,2,3,4-tetrahydroisoquinoline derivatives react with benzil in 1 : 1 or 2 : 1 ratio to give the corresponding benzil monohydrazones. Diacetyl under the same conditions forms dihydrazones. Enolizing 1,3-dicarbonyl compounds form with 3,3-dimethyl-1-hydrazono-1,2,3,4-tetrahydroisoquinoline derivatives mixtures of mono- and dihydrazones. Dehydracetic acid forms monohydrazones at the exochain carbonyl group. |
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