Sulfo- or carboxy-aryl amino sulfonyl phenyl azo hydroxpyridine

Details Sulfo- or carboxy-aryl amino sulfonyl phenyl azo hydroxpyridine Sulfo- or carboxy-aryl amino sulfonyl phenyl azo hydroxpyridine

1977-09-28

1980-03-18

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260156, C09B 4516, C09B 4518, C09B 4520, C09B 4522

Patent

active

041939166

ABSTRACT:
A heavy metal complex of an azo compound of the formula ##STR1## in which A is a substituted or unsubstituted carboxy- or sulpho-phenyl radical or a carboxy- or sulpho- naphthyl radical, p is 1 or 2, R.sub.1 is hydrogen, chlorine, bromine, nitro, alkyl, alkoxy, aryloxy or acylamino, R.sub.2 is hydrogen or alkyl, R.sub.3 is hydroxyl or amino, R.sub.4 is hydrogen, chlorine, bromine, cyano, amino, amino substituted by 1 or 2 alkyl radicals, arylamino, morpholino, pyrrolidino, piperidino, mercapto, alkylthio, arylthio, sulpho or arylsulphonyl and R.sub.5 is hydrogen, chlorine or bromine and one of the radicals R.sub.1 and --SO.sub.2 --NR.sub.2 --A is bonded to the benzene ring in the 4-position and the other is bonded to the benzene ring in the 5-position or 6-position, and 1 or 2 molecules of the azo compound of the formula (1) are bonded to one atom of copper, nickel, chromium or cobalt; such dyes being suitable for dyeing and printing polyamide materials, such as wool, silk, leather and synthetic polyamides.

REFERENCES:
patent: 3869440 (1975-03-01), Back et al.
patent: 3870695 (1975-03-01), Back et al.
patent: 3971738 (1976-07-01), Fasciati et al.

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