Conclusions
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1.
A study was made of the condensation of cis-1,3,5,7-tetrahydroxy-1,3,5,7-tetraphenylcyclotetrasiloxane with silicon tetrachloride. Four new chloro derivatives of a polyphenylcyclosiloxane were isolated.
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2.
The formation of cross-linked structures is not observed when the hydrolysis product of 1,1,7,7-tetrachloro-3,5,9,11-tetraphenyltricyclooctasiloxane is condensed.
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3.
The formation of a cyclolinear polymer with a chain unit, containing two cyclotrisiloxane rings, connected by a silicon spiroatom, fails to occur when cis-1,3,5,7-tetrahydroxy-1,3,5,7-tetraphenylcyclotetrasiloxane is condensed with 1,1,7,7-tetrachloro-3,5,9,11-tetraphenyltricyclooctasiloxane.
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Literature cited
J. F. Brown, J. Am. Chem. Soc.,87, 4317 (1965).
A. N. Lazarev, Vibrational Spectra and Structure of Silicates [in Russian], Nauka, Leningrad (1968), p. 298.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya No. 9, pp. 2046–2051, September, 1972.
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Andrianov, K.A., Makarova, N.N. Synthesis and condensation of chloro derivatives of polyphenylcyclosiloxanes. Russ Chem Bull 21, 1984–1988 (1972). https://doi.org/10.1007/BF00854622
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DOI: https://doi.org/10.1007/BF00854622