Abstract
Spectrophotometric titration method was used to study the acidic properties of 2,3,7,8,12,13,17,18-octabromo-5,10,15,20-tetraphenylporphyrin in the presence of a deprotonated agent, 1,8-diazabicyclo[5.4.0] undec-7-ene, in acetonitrile. The spectral characteristics of the ionized forms and combined ionization constant for the first and second stages were revealed. The reaction of complex formation between the dianionic forms of 2,3,7,8,12,13,17,18-octabromo-5,10,15,20-tetraphenylporphyrin and zinc acetate was studied.
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Original Russian Text © Yu.B. Ivanova, S.G. Pukhovskaya, A.S. Semeikin, S.A. Syrbu, 2013, published in Zhurnal Obshchei Khimii, 2013, Vol. 83, No. 7, pp. 1156–1159.
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Ivanova, Y.B., Pukhovskaya, S.G., Semeikin, A.S. et al. Study of acidity and coordination properties of 2,3,7,8,12,13,17,18-octabromo-5,10,15,20-tetraphenylporphyrin in the system of 1,8-diazabicyclo[5.4.0]undec-7-ene-acetonitrile. Russ J Gen Chem 83, 1406–1409 (2013). https://doi.org/10.1134/S1070363213070177
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DOI: https://doi.org/10.1134/S1070363213070177