Abstract
4,4′-Dihydroxybiphenyl was condensed with phenylphosphonous tetraethyldiamide. The moleccular mass, chemical composition, and structural features of the product, oligo(4,4′-biphenylene phenylphosphonite), were elucidated using the method of matrix-activated laser desorption/ionization, with a time-of-flight (TOF) mass analyzer. The oligophenylphosphites containing labile P-N bond, which are unstable under conditions of recording mass spectra, were stabilized by conversion into oligophenylphosphonates. 1H-Tetrazole catalyzes the reaction of phenylphosphonous tetraethyldiamide with 4,4′-dihydroxybiphenyl. Cross-linking in the solid state of the oligo(4,4′-biphenylene phenylphosphonite) containing terminal phosphonamidite group leads to gradual increase in the molecular weight and is accompanied by redox processes.
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Original Russian Text © A.T. Teleshev, D.A. Ganin, V.Yu. Mishina, I.V. Abrashina, D.A. Ionin, V.V. Lobodin, E.E. Nifant’ev, 2007, published in Zhurnal Obshchei Khimii, 2007, Vol. 77, No. 6, pp. 928–937.
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Teleshev, A.T., Ganin, D.A., Mishina, V.Y. et al. Features of condensation of 4,4′-Dihydroxybiphenyl with phenylphosphonous tetraethyldiamide. Russ J Gen Chem 77, 1019–1027 (2007). https://doi.org/10.1134/S1070363207060114
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DOI: https://doi.org/10.1134/S1070363207060114