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Studies in pyrazolidine chemistry

27. Structure of 4-ylidene-3,5-dioxopyrazolidines and their acidity

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Abstract

The Lewis acidity of 4-ylidene-3,5-dioxopyrazolidines decreases with increasing electron-donor capacity of the substituents in the para position of the 4-benzylidene residue and in the α-position of the exocyclic double bond. An analogous effect is found for the substituents in the 4-benzylidene residue on the NH-acidity of 1-phenyl-4-benzylidene-3,5-dioxopyrazolidines. The observed effect is analogous to their influence on the halfwave potential in the polarographic reduction on a dropping mercury electrode.

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Literature Cited

  1. B. L. Moldaver, M. E. Aronzon, V. M. Adanin, and A. M. Zyakun, Khim. Geterotsikl. Soedin., No. 2, 222 (1986).

    Google Scholar 

  2. B. L. Moldaver and M. E. Aronzon, Khim. Geterotsikl. Soedin., No. 6, 804 (1970).

    Google Scholar 

  3. B. L. Moldaver and M. E. Aronzon, Khim. Geterotsikl. Soedin., No. 2, 224 (1974).

    Google Scholar 

  4. B. L. Moldaver, M. E. Aronzon, and A. D. Kachanov, USSR Inventor's Certificate No. 472,936; Byull. Izobret., No. 21, 76 (1975).

  5. Yu. A. Zhdanov and V. I. Minkin, Correlation Analysis in Organic Chemistry [in Russian], Izd. Rostovsk. Univ., Rostov-on-Don (1966), p. 85.

    Google Scholar 

  6. B. L. Moldaver, M. E. Aronzon, G. K. Budnikov, and Yu. P. Kitaev, Proceedings of the All-Union Interuniversity Conference on the Relationship of Chemical Structure and Properties in Nitrogen Heterocyclic Compounds, Sverdlovsk (1967), p. 110.

  7. B. L. Moldaver and M. E. Aronzon, Khim. Geterotsikl. Soedin., No. 5, 657 (1971).

    Google Scholar 

  8. B. L. Moldaver, M. E. Aronzon, V. V. Zverev, M. P. Papirnik, and Yu. P. Kitaev, Khim. Geterotsikl. Soedin., No. 3, 403 (1974).

    Google Scholar 

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Authors and Affiliations

  1. Leningrad Pharmaceutical Chemistry Institute, 197022, Leningrad

    B. L. Moldaver, M. E. Aronzon & K. I. Evstratova

Authors
  1. B. L. Moldaver
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  2. M. E. Aronzon
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  3. K. I. Evstratova
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Additional information

For Communication 26, see [1].

Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 1, pp. 83–85, January, 1989.

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Moldaver, B.L., Aronzon, M.E. & Evstratova, K.I. Studies in pyrazolidine chemistry. Chem Heterocycl Compd 25, 71–73 (1989). https://doi.org/10.1007/BF00472623

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  • DOI: https://doi.org/10.1007/BF00472623

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