Hammett constants of the pyrroline-2, 5-dione ring

descriptionPublicationkeyboard_double_arrow_right Article 01 Jul 1976 English Publisher:Springer Science and Business Media LLCJournal:Chemistry of Heterocyclic Compounds, volume 12, pages 753-757 (issn: 0009-3122, eissn: 1573-8353,

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Authors: V. D. Romanenko; N. N. Kalibabchuk; A. A. Rositskii; V. G. Zalesskaya; V. E. Didkovskii; S. V. Iksanova;

doi: 10.1007/bf00477005

Hammett constants of the pyrroline-2, 5-dione ring

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Abstract

The electronic effect of the pyrroline-2,5-dione ring on the benzene ring in the case of N-aryl compounds is close to the effect exerted by halogens. The overall electron-acceptor effect depends markedly on the nature of the solvent. The electron-donor effect of conjugation is small.

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