Bicyclic formazan compounds containing a beta-sulfatoethyl-sulfo

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

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Details

534602, 534652, C09B 5000, C09B 62503, D06P 1384, D06P 366

Patent

active

047571357

ABSTRACT:
Water-soluble copper formazan compounds of the general formula ##STR1## in which: Y is vinyl or ethyl which is substituted by a substituent eliminatable under alkaline conditions; the benzene nucleus A can be substituted by further substituents;

REFERENCES:
patent: 3068219 (1962-12-01), Beffa et al.
patent: 4336190 (1982-06-01), Schwaiger et al.
patent: 4370145 (1983-01-01), Schwaiger et al.
patent: 4556706 (1985-12-01), Hegar et al.
patent: 4607098 (1986-08-01), Schwaiger

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