Hydroxyquinolone monoazo dyestuffs, their preparation and use

Details Hydroxyquinolone monoazo dyestuffs, their preparation and use Hydroxyquinolone monoazo dyestuffs, their preparation and use

1996-07-03

1998-06-02

Ivy, C. Warren

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

Organic compounds

Azo

534771, 546155, C07D215233, C07D215227, C07D21538

Patent

active

057601976

ABSTRACT:
Hydroxyquinolone monoazo dyestuffs of the formula I ##STR1## in which D is an organic radical such as one of the disclosed aromatic radicals, and R is substituted or unsubstituted alkyl, benzyl, phenyl, phenoxy, or alkoxy (most preferably C.sub.1 -C.sub.6 -alkyl) are especially well suited to dyeing and printing of hydrophobic materials and other dyeing or printing applications. The dyestuffs are prepared by diazotizing an amine (D--NH.sub.2) and coupling the diazotization product to a hydroxyquinolone compound.

REFERENCES:
patent: 1969463 (1934-08-01), Holzach et al.
patent: 1969464 (1934-08-01), Holzach et al.
patent: 2529924 (1950-11-01), Dickey
patent: 3483179 (1969-12-01), Braun

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