Abstract
Step high-temperature condensation of dihydric phenols [1,4-dihydroxybenzene, 4,4′-dihydroxybiphenyl, and 2,2′-bis(4-hydroxyphenyl)propane] with phenylphosphonous bis(diethylamide) is carried out. The molecular weight, composition, and structure of the resulting oligomeric arylene phenylphosphonites were assessed by means of matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. The widest mass range was observed in the mass spectrum of 4,4′-dihydroxybiphenyl, which corresponds to an oligomer having about 30 elementary units. The obtained data agree with the the molecular weight measured by high-speed sedimentation. The reactions of phenylphosphonous bis(diethylamide) with dihydric phenols give both acyclic and cyclic arylene phenylphosphonites.
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Translated from Zhurnal Obshchei Khimii, Vol. 75, No. 9, 2005, pp. 1451–1457.
Original Russian Text Copyright © 2005 by Teleshev, Maksimov, Mishina, Abrashina, Grinberg, Nifant'ev.
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Teleshev, A.T., Maksimov, B.I., Mishina, V.Y. et al. Laser Desorption Ionization of Arylene Phenylphosphonites Formed by Condensation of Dihydric Phenols with Phenylphosphonous Bis(diethylamide). Russ J Gen Chem 75, 1379–1385 (2005). https://doi.org/10.1007/s11176-005-0432-6
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DOI: https://doi.org/10.1007/s11176-005-0432-6