Conclusions
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1.
The mass spectra of octamethylspiro-(5,5)-pentasiloxane, cis- and trans-tetramethyltetraphenylspiro-(5,5)-pentasiloxanes, and cis-dimethylhexaphenylspiro-(5,5)-pentasiloxane were investigated.
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2.
The decomposition of these compounds is typical on the whole of organocyclosiloxanes; however, the bicyclic siloxane skeleton is more stable to dissociation.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 2, pp. 330–333, February, 1974.
The authors are grateful to B. M. Zolotarev, V. I. Kadentsev, and S. S. Suvorov for their aid in obtaining the mass spectra.
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Orlov, V.Y., Zachernyuk, A.B. & Andrianov, K.A. Mass spectra of methylphenylspirosiloxanes. Russ Chem Bull 23, 300–302 (1974). https://doi.org/10.1007/BF00924673
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DOI: https://doi.org/10.1007/BF00924673