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Synthesis of 1-ethylpyrazole-4-carbaldehydes, 1,1’-methylenebis(3,5-dimethylpyrazole-4-carbaldehyde), and Schiff bases derived therefrom

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Abstract

New pyrazole-containing aldehydes, 1-ethylpyrazole-4-carbaldehyde, 1-ethyl-3,5-dimethylpyrazole-4-carbaldehyde, and 1,1’-methylenebis(3,5-dimethylpyrazole-4-carbaldehyde), were synthesized by the Vilsmeier reaction. Their reactions with primary amines (aniline, hydrazine, ethylenediamine, p-phenylenediamine, benzidine) gave the corresponding Schiff bases.

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Authors and Affiliations

  1. Polzunov Altai State Technical University, pr. Lenina 46, Barnaul, 656099, Russia

    A. S. Potapov & A. I. Khlebnikov

  2. Institute of Petroleum Chemistry, Siberian Division, Russian Academy of Sciences, pr. Akademicheskii 3, Tomsk, 634021, Russia

    V. D. Ogorodnikov

Authors
  1. A. S. Potapov
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  2. A. I. Khlebnikov
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  3. V. D. Ogorodnikov
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Additional information

Original Russian Text © A.S. Potapov, A.I. Khlebnikov, V.D. Ogorodnikov. 2006, published in Zhurnal Organicheskoi Khimii, 2006, Vol. 42, No. 4. pp. 569–573.

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Potapov, A.S., Khlebnikov, A.I. & Ogorodnikov, V.D. Synthesis of 1-ethylpyrazole-4-carbaldehydes, 1,1’-methylenebis(3,5-dimethylpyrazole-4-carbaldehyde), and Schiff bases derived therefrom. Russ J Org Chem 42, 550–554 (2006). https://doi.org/10.1134/S1070428006040117

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  • DOI: https://doi.org/10.1134/S1070428006040117

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