STRUCTURE AND CHARACTERISTICS OF THE IONIC FORMS OF HETEROARENIUM SALTS IN ORGANIC SOLVENTS

Authors

  • О. П. Швайка L. M. Litvinenko Institute of Physical Organic Chemistry and Coal Chemistry, National Academy of Sciences of Ukraine, Donetsk 83114
  • Н. А. Ковач L. M. Litvinenko Institute of Physical Organic Chemistry and Coal Chemistry, National Academy of Sciences of Ukraine, Donetsk 83114

DOI:

https://doi.org/10.1007/6434

Keywords:

azinium, azolium, benzo-annelated azinium, heteroarenium, chalcogenopyrylium salts, association constants, ionization constants, ionic forms, reactivity

Abstract

The results of investigations into the formation of the various ionic forms of heteroarenium salts, their characteristics, and their reactivity are summarized. Salts containing (4n+2)π-electron aromatic cations (n = 0-3), including chalcogenopyrylium (O, S, Se), azinium, benzo- and dibenzoazinium, and chalcogenoazolium (O, S, Se, NR) ions are examined. In this system of compounds the relationships between the structure and the macroscopic characteristics of the heteroarenium salts (ionization constants, association/dissociation constants, distances of closest interionic approach) and the effect of the nature of the ionic forms in the solutions on their reactivity in heterolytic reactions are analyzed.

How to Cite
Shvaika, O. P.; Kovach, N. A. Chem. Heterocycl. Compd. 2009, 45, 1603. [Khim. Geterotsikl. Soedin. 2009, 1287.]

For this article in the English edition see DOI 10.1007/s10593-010-0424-2

 

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Published

2021-10-01

Issue

No. 11 (2009)

Section

Review Articles