Conclusions
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1.
Cyclic and acyclicα,β-unsaturated ketones and their vinylogs, containing not more than three double bonds, and also 2-acetyl-5-methylfuran and 2-acetyl-5-methylthiophene, are capable of condensing withβ-dimethylaminoacrolein acetal aminal and 1,1,3-trimethoxy-3-dimethylaminopropane not only at either theα-methyl or methylene group, but also at the CH3 group, separated from the carbonyl by either double bonds or a heterocycle.
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2.
We synthesized and studied by physicochemical methods some acyclic polyenic bis-ω,ω′- and monocu-dimethylamino ketones, and also those containing a cyclohexane, thiophene, or furan ring in the polymethine chain.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 6, pp. 1362–1373, June, 1980.
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Krasnaya, Z.A., Stytsenko, T.S., Prokof'ev, E.P. et al. Synthesis of polyenic bis-ω,ω′- and mono-ω-dimethylamino ketones. Russ Chem Bull 29, 980–986 (1980). https://doi.org/10.1007/BF00958821
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DOI: https://doi.org/10.1007/BF00958821