Conformational flexibility of the twelve-membered siloxane ring |
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Authors: | T V Timofeeva N N Makarova I L Dubchak Yu T Struchkov |
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Institution: | (1) A. N. Nesmeyanov Institute of Heteroorganic Compounds, Academy of Sciences of the USSR, Moscow |
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Abstract: | Conclusions The conformational analysis of the molecules of twelve-membered cis- and trans-2,8-dihydroxycyclohexasiloxanes showed that intramolecular dehydration with the formation of a bicyclic system is possible for the cis isomer with the approach of the OH groups on account of the large conformational flexibility of the ring. For the trans isomer this approach is only possible with cleavage of the bonds in the ring at the intermediate stages.Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 8, pp. 1871–1874, August, 1984. |
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