Chemistry of Natural Compounds

, Volume 8, Issue 3, pp 369–371 | Cite as

Transformations of hydrolysis lignin from sunflower husks in aqueous ammonia

  • B. V. Koval'chuk
  • Yu. N. Forostyan
Article
  • 22 Downloads

Summary

1. In aqueous ammonia, hydrolysis lignin from sunflower husks undergoes transformations connected with oxidation, demethoxylation, and the formation of amide and amino compounds.

2. The oxidation processes are accompanied by an increase in the amounts of aliphatic hydroxyls and carboxy groups.

Keywords

Benzyl Alcohol Amide Group Methoxy Group Aqueous Ammonia Ammonium Salt 

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Literature cited

  1. 1.
    Yu. N. Forostyan and B. V. Koval'chuk, Khim. Prirodn. Soedin., 136 (1972).Google Scholar
  2. 2.
    A. N. James and P. A. Tice, Tappi,48, 239 (1965).Google Scholar
  3. 3.
    L. Bellamy, Infra-Red Spectra of Complex Molecules, 2nd ed., Methuen, London (1958).Google Scholar
  4. 4.
    K. Nakanishi, Infrared Absorption Spectroscopy, Practical, Holden-Day, San Francisco (1962).Google Scholar
  5. 5.
    Yu. S. Pilipchuk, R. Z. Pen, and A. V. Finkel'shtein, Khimiya Drevesiny,1968, No. 1, 45.Google Scholar
  6. 6.
    Yu. S. Pilipchuk, R. Z. Pen, and A. V. Finkel'shtein, Izv. Vysshykh Uchebn. Zavedenii, Lesn. Zh.,1968, No. 4, 167.Google Scholar
  7. 7.
    A. N. Zav'yalov and S. S. Frolov, Izv. Vysshykh Uchebn. Zavedenii, Lesn. Zh.,1968, No. 2, 119.Google Scholar
  8. 8.
    A. N. Zav'yalov, Yu. V. Glazkovskii, and S. S. Frolov, Khimiya Drevesiny,1968, No. 1, 271.Google Scholar
  9. 9.
    F. Vieböck and A. Schwappach, Ber.,63, 2818 (1939).Google Scholar
  10. 10.
    L. N. Mozheiko, V. R. Yaunzems, and G. T. Upite, Khimiya Drevesiny,1968, No. 2, 89.Google Scholar
  11. 11.
    M. I. Chudakov and G. D. Georgeevskaya, Zh. Analit. Khim.,15, 3 (1960).Google Scholar
  12. 12.
    G. F. Zakis and B. Ya. Barzdyn', Khimiya Dreversiny,1970, No. 5, 97.Google Scholar
  13. 13.
    I. Marton and E. Adler, Acta Chem. Scand.,15, 370 (1961).CrossRefGoogle Scholar

Copyright information

© Consultants Bureau 1974

Authors and Affiliations

  • B. V. Koval'chuk
  • Yu. N. Forostyan

There are no affiliations available

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