Pyrimidotetrathiafulvalenes. 3. Synthesis and properties of cation-radical salts, cation-radical betaines, and complexes of dimethyl[2,4-dioxo(1H,3H)pyrimido]tetrathiafulvalene and its N-alkyl substituted derivatives with iodine

Abstract

The reaction of dimethyl[2,4-dioxo(1H,3H)pyrimido]tetrathiafulvalene and its N-alkyl derivatives with iodine leads to the formation of complexes with various numbers of iodine atoms. Depending on the conditions, the betaine of the cation-radical of dimethyl[2,4-dioxo(1H,3H)pyrimido]tetrathiafulvalene or a complex of the latter with dimethyl[2,4-dioxo(1H,3H)pyrimido]tetrathiafulvalene is formed by the oxidation of the pyrimidotetrathiafulvalene. The cation-radical perchlorates are formed on carrying out the oxidation of dimethyl[2,4-dioxo(1H,3H)pyrimido]tetrathiafulvalene and its N-methyl derivatives in the presence of perchloric acid. The preparation of the cation-radical salts is usually linked with the reaction of the cation-radical betaine with acids.

How to Cite
Neiland, O. Ya.; Tilika, V. Z.; Supe, A. A.; Édzhinya, A. S. Chem. Heterocycl. Compd. 1996, 32, 112. [Khim. Geterotsikl. Soedin. 1996, 123.]

For this article in the English edition, see DOI https://doi.org/10.1007/BF01169366