Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1979-01-18
1980-11-04
Doll, John
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C07C 9306
Patent
active
042319641
ABSTRACT:
Compounds of the formula ##STR1## wherein one of the pairs of substituents X and X' on the one hand and Y and Y' on the other hand stands for nitro and the other for amino and wherein n is 1 to 4, are diazo components, especially for disazo pigments of high tinctorial strength and purity of shade.
REFERENCES:
Ashley et al., "J. Chem. Soc.", pp. 3298-3313 (1958).
Hamal Heinrich
Kuhne Rudolf
Doll John
Hoechst Aktiengesellschaft
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