The photochemical interaction of polyphenylferrisiloxane with oligoorganosilanes |
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| Authors: | L G Klapshina V V Semenov A N Kornev V S Rusakov O I Shchegolikhina A A Zhdanov G A Domrachev |
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| Institution: | (1) G. A. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences, 49 ul. Tropinina, 603137 Nizhnii Novgorod, Russian Federation;(2) Department of Physics, M. V. Lomonosov Moscow State University, Leninskie Gory, 119899 Moscow, Russian Federation;(3) A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 ul. Vavilova, 117813 Moscow, Russian Federation |
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| Abstract: | The photochemical interaction of polyphenylferrisiloxane with some oligoorganosilanes in benzene solutions has been studied by UV, IR, ESR, and Mössbauer spectroscopy. Silylene species formed during photolysis of oligoorganosilanes react with the high-spin iron(III) to reduce the latter to low-spin iron(II). The formation of the low-spin state of iron(II) was supported by measurements of the magnetic moments. The insertion of the silylene species into the polymer chain to form the Fe?Si bond occurs due to the photoreaction. |
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| Keywords: | polyphenylferrisiloxane oligoorganosilanes silylenes magnetic mornents M?ssbauer spectra |
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