Abstract
The structure of polymer chain of poly(1,3-pentadiene) synthesized via a stereospecific polymerization catalyzed by a system based on neodymium trichloride was determined using one-dimensional with a T2 filter and two-dimensional HMBC and HSQC 1H-13C NMR spectroscopic methods. It was found that the polymer chain of poly(1,3-pentadiene) consists of 1,4-trans-, 1,4-cis-, 1,2-trans-, and 1,2-cis-units. A new method was proposed for the quantitative calculation of content of the structural units in poly(1,3-pentadiene) possessing a mixed microstructure. Spectral signals of the carbon atoms of terminal units having 1,4-trans- and 1,4-cis-structures have been for the first time identified in the macromolecules of poly(1,3-pentadiene) synthesized via the stereospecific polymerization.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 4, pp. 773–779, April, 2021.
This paper does not contain descriptions of studies on animals or humans.
The authors declare no conflict of interest, financial or otherwise.
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Rozentsvet, V.A., Sablina, N.A., Ulyanova, D.M. et al. Structure of the polymer chain of poly(1,3-pentadiene) synthesized using a stereospecific catalytic system. Russ Chem Bull 70, 773–779 (2021). https://doi.org/10.1007/s11172-021-3150-2
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DOI: https://doi.org/10.1007/s11172-021-3150-2