Abstract
2,8-Dichloro-2,4,4,6,6,8,10,10,12,12-decamethyl-5-carbacyclohexasiloxane, 4,7-dichloro-2,2,4,7-tetramethyl-1,3-dioxa-2,4,7-trisilacyclohepatane, and 4,8-dichloro-2, 2,4,8-tetramethyl-1,3-dioxa-2,4,8-trisilacyclooctane were prepared for the first time by heterofunctional condensation of 1,1,7,7-tetrachloro-1,3,3,5,5,7-hexamethyl-4-carbatetrasiloxane with 1,3-dihydroxy-1,1,3,3-tetramethyldisiloxane, of 2,2,5,5-tetrachloro-2,5-disilahexane with dihydroxydimethylsilane, and of 2,2,6,6-tetrachloro-2,6-disilaheptane with dihydroxydimethylsilane, respectively. Hydrolysis of the resulting compounds afforded the corresponding dihydroxy derivatives, andtrans-isomers of some of these derivatives were isolated in individual form.
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Published inIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 8, pp. 1436–1441, August, 2000.
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Chizhova, N.V., Astapova, T.V., Petrovskii, P.V. et al. Synthesis of difunctional organooxasilacycloalkanes. Russ Chem Bull 49, 1430–1435 (2000). https://doi.org/10.1007/BF02495092
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DOI: https://doi.org/10.1007/BF02495092