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Chemistry of Heterocyclic Compounds

, Volume 54, Issue 8, pp 826–828 | Cite as

Silacyclophanones 2*. Cyclic organosilicon esters of terephthalic acid

  • Sergey V. Basenko
  • Anastasiya S. Soldatenko
  • Olexandr V. Vashchenko
  • Vladimir I. Smirnov
Article

The reactions of dichlorodimethylsilane or 1,3-dichlorotetramethyldisiloxane with bis(trimethylsilyl) ester of terephthalic acid (1:1 molar ratio, 20°C, 72–144 h) gave 69–97% yields of previously unknown 27- and 22-membered cyclic organosilicon esters of terephthalic acid, respectively. The molecular structures of 22-membered ester 4,4,6,6,12,12,14,14-octamethyl-3,5,7,11,13,15-hexaoxa-4,6,12,14-tetrasila-1,9(1,4)-dibenzacyclohexadecaphane-2,8,10,16-tetraone and trimethylsilyl ester of terephthalic acid were studied by X-ray structural analysis.

Keywords

cyclic esters of carboxylic acids dichlorodimethylsilane 1,3-dichlorotetramethyldisiloxane terephthalic acid trimethylsilyl esters of carboxylic acids 

Notes

The main results of this study were obtained by using the equipment at the Collective use analytical center “Baikal”, Siberian Branch of the Russian Academy of Sciences.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Sergey V. Basenko
    • 1
  • Anastasiya S. Soldatenko
    • 1
  • Olexandr V. Vashchenko
    • 1
  • Vladimir I. Smirnov
    • 1
  1. 1.A. E. Favorsky Irkutsk Institute of ChemistrySiberian Branch of the Russian Academy of SciencesIrkutskRussia

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