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Epoxidation of E-1,4-poly(2-triethylsilyl-1,3-butadiene) and E-1,4-poly-[2,3-bis(trimethylsilyl)-1,3-butadiene] Stereochemical analysis of E-1,4-poly(2,3-epoxy-2-triethylsilyl-1,3-butadiene) and E-1,4-poly-[2,3-bis(trimethylsilyl)-1,3-butadiene] by 13C and 29Si NMR

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Summary

Reaction of E-1,4-poly(2-triethylsilyl-1,3-butadiene) (I) with m-chloroperbenzoic acid (MCPBA) yields E-1,4-poly(2,3-epoxy-2-triethylsilyl-1,3-butadiene) (II). Similar reaction of E-1,4-poly[2,3-bis(trimethylsilyl)-1,3-butadiene] (III) with MCPBA gives E-1,4-poly[2,3-epoxy-2,3-bis(trimethylsilyl)-1,3-butadiene] (IV). The product polymers have been characterized by 1H, 13C, and 29Si NMR, IR, GPC, TGA and elemental analysis. 13C and 29Si NMR permit Stereochemical analysis on the microstructures of II and IV.

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Authors and Affiliations

  1. K.B. and D.P. Loker Hydrocarbon Research Institute, Department of Chemistry, University of Southern California, 90089-1661, Los Angeles, CA, USA

    Wan Jiang & William P. Weber

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  1. Wan Jiang
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  2. William P. Weber
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Jiang, W., Weber, W.P. Epoxidation of E-1,4-poly(2-triethylsilyl-1,3-butadiene) and E-1,4-poly-[2,3-bis(trimethylsilyl)-1,3-butadiene] Stereochemical analysis of E-1,4-poly(2,3-epoxy-2-triethylsilyl-1,3-butadiene) and E-1,4-poly-[2,3-bis(trimethylsilyl)-1,3-butadiene] by 13C and 29Si NMR. Polymer Bulletin 20, 249–252 (1988). https://doi.org/10.1007/BF00261977

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  • DOI: https://doi.org/10.1007/BF00261977

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