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A comparative investigation of biosynthetic lignins obtained from coniferyl and p-coumaryl alcohols with reed and spruce lignins

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Chemistry of Natural Compounds Aims and scope

Summary

  1. 1.

    Biosynthetic lignins have been obtianed by Freudenberg's method from coniferyl and p-coumaryl alcohols.

  2. 2.

    In its elementary and functional composition, DHP-1 is similar to the corresponding material obtained by Freudenberg.

  3. 3.

    For DHP-1 the yield of ether-soluble phenols is considerably higher than for DHP-2, which may indicate a greater degree of condensation of the latter as compared with the former.

  4. 4.

    Reductive decomposition by a solution of metallic sodium in liquid ammonia has shown that the phenols obtained from reed lignin have a complex composition.

  5. 5.

    A comparison of the IR and UV spectra of the biosynthetic lignins obtained and of reed and spruce MWLs has been performed.

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Authors
  1. T. S. Sdykov
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  2. N. N. Shorygina
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  3. A. F. Semechkina
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  4. B. V. Lopatin
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Additional information

N. D. Zelinskii Institute of Organic Chemistry, Academy of Sciences of the USSR. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 491–498, July–August, 1971.

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Sdykov, T.S., Shorygina, N.N., Semechkina, A.F. et al. A comparative investigation of biosynthetic lignins obtained from coniferyl and p-coumaryl alcohols with reed and spruce lignins. Chem Nat Compd 7, 466–471 (1971). https://doi.org/10.1007/BF00564740

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  • DOI: https://doi.org/10.1007/BF00564740

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