Process for producing dianthraquinone-N,N'-dihydrazine and its c

Details Process for producing dianthraquinone-N,N'-dihydrazine and its c Process for producing dianthraquinone-N,N'-dihydrazine and its c

1984-06-13

1986-12-09

Berch, Mark L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

544341, C07D24146

Patent

active

046280910

ABSTRACT:
A process for producing dianthraquinone-N,N'-dihydrazine or its chlorination product, which comprises condensing 1-aminoanthraquinone at an elevated temperature in the presence of 1,3-dimethyl-2-imidazolidinone using an oxidizing agent and an alkaline condensing agent, and subjecting the resulting condensation product to a treatment known per se.

REFERENCES:
patent: 3268532 (1966-08-01), Zerwede
Mansharamani, J. Indian Chem. Soc., vol. 53, pp. 167-171.

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