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The Facile Synthesis, Theoretical Study and Electrochemical Characterization of Poly(Arylene) Derivatives

Sołoducho J., Doskocz J., Nowakowska A., Cabaj J., Łapkowski M., Golba S.

Polish Journal of Chemistry

2007

Vol. 81, nr 11

2001-2011

A convenient and high yield synthetic route to arylene derivatives was reported and their electrochemical character was shown by properties of polymer with alternate arylene and bispyridine, bisthiophene, bisfurane and bisthiazole units. Polmerization is processed as two steps bielectronic oxidation of molecules. In monoelectronic oxidation stableradical cation is formed with spin located on phenothiazine. The electrochemical properties of polymer are dependent on film thick ness deposited on electrode. In the case of the thin layers one can observe characteristic redox couple of phenothiazine oxidation to radical cation. Analysis of polymer behaviour and results of spectrochemical measurements point on mixed type of electroconducting.

Kinetics and Mechanism of the reaction Between 2,3,5,6-Tetrabromo-1,4-benzoquinone and Tetramethylguanidine in Benzene

Dworniczak M., Jarczewski A.

Polish Journal of Chemistry

1999

Vol. 73, nr 10

1739-1744

The reaction of bromanil (2,3,5,6-tetrabromobenzoquinone)with 1,1,3,3-tetramethylguanidine in benzene has been studied spectrophotometrically. The reaction proceeds according to the mechanism of vinylic substitution with a charge-transfer complex as the intermediate compound. the final product is a disubstituted quinone. The reaction mechanism is discussed.