Phenylazophenylazonaphtholsulfonic acids substituted by a triami

Details Phenylazophenylazonaphtholsulfonic acids substituted by a triami Phenylazophenylazonaphtholsulfonic acids substituted by a triami

1989-05-31

1990-11-06

Higel, Floyd D.

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

Organic compounds

Azo

534582, 534803, 534887, 544197, 106 22, C09B 3108, C09B 31065, C09B 31072, D06P 118

Patent

active

049687840

ABSTRACT:
Disazo compounds represented by the following formula (I): ##STR1## in which R.sub.1 and R.sub.2 are hydrogen, C.sub.1-3 alkyl, C.sub.1-4 alkoxy C.sub.1-3 alkyl, phenyl C.sub.1-3 alkyl, phenoxy C.sub.1-3 alkyl, hydroxy C.sub.1-3 alkyl, cyano C.sub.1-3 alkyl, C.sub.1-4 alkoxyhydroxy C.sub.1-3 alkyl or hydroxyphenoxy C.sub.1-3 alkyl,

REFERENCES:
patent: 4273707 (1981-06-01), Pedrazzi
patent: 4363761 (1982-12-01), Pedrazzi
patent: 4367172 (1983-01-01), Pedrazzi
patent: 4594410 (1986-06-01), Pedrazzi
Hiraki et al., Chemical Abstracts, vol. 110, No. 77493k (1989).

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