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Investigations on catalytic reduction of nitroanthraquinones

Communication 1. Hydrogenation on Pd/C catalyst in concentrated sulfuric acid
  • V. M. Chursina
  • E. F. Litvin
  • L. Kh. Freidlin
  • R. I. Zinchenko
Organic and Biological Chemistry

Conclusions

  1. 1.

    Reaction of catalytic hydrogenation of 1-nitroanthraquinones on Pd/C catalyst in sulfuric acid was investigated.

     
  2. 2.

    Under the given conditions, the process proceeds in two directions, viz. with the formation of aminoanthraquinones and 1-amino-4-hydroxyanthraquinones.

     
  3. 3.

    When the concentration of sulfuric acid is lowered to 70%, the reaction proceeds selectively giving high yields (90%) of the amino derivates.

     

Keywords

Hydrogenation Sulfuric Acid Catalytic Hydrogenation Amino Derivate Aminoanthraquinones 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Consultants Bureau 1970

Authors and Affiliations

  • V. M. Chursina
    • 1
  • E. F. Litvin
    • 1
  • L. Kh. Freidlin
    • 1
  • R. I. Zinchenko
    • 1
  1. 1.N. D. Zelinskii Institute of Organic ChemistryAcademy of Sciences of the USSRUSSR

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