Conclusions
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1.
α-Nitro-β-dimethylaminoacrolein and the dimethylammonium salt of nitromalonaldehyde are readily interconvertible.
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2.
Condensation of α-nitro-β-dimethylaminoacrolein with dimedone in the presence of triethylamine is accompanied by deformylation with the formation of the dimethylammonium salt of nitroethylidenedimedone.
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3.
Condensation of α-nitro-β-dimethylaminoacrolein with ethyl acetoacetate in the presence of triethylamine, TEBA, or alumina gives methyl o-dimethylamino-m-nitrobenzoate together with the nitroethylidene derivative of ethyl acetoacetate, β-dimethylaminocrotonic ester, and 2-nitro-4-methoxy-carbonyl-5-dimethylaminohexa-2,4-dienal.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimcheskaya, No. 7, pp. 1604–1612, July, 1985.
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Krasnaya, Z.A., Stytsenko, T.S., Bogdanov, V.S. et al. Unusual reactions of α-nitro-β-dimethylaminoacrolein. Russ Chem Bull 34, 1468–1474 (1985). https://doi.org/10.1007/BF00950150
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DOI: https://doi.org/10.1007/BF00950150