Azo dyes containing a 2-(arylsulphonylamino)-pyrimidine radical

Details Azo dyes containing a 2-(arylsulphonylamino)-pyrimidine radical Azo dyes containing a 2-(arylsulphonylamino)-pyrimidine radical

1995-04-28

1996-05-07

Richter, Johann

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

Organic compounds

Azo

534698, 534700, 534711, 8437, 8639, 8681, 8686, C09B 4514, C09B 4524, D06P 332

Patent

active

055147836

ABSTRACT:
The invention provides a process for the production of azodyes and their derivatives by diazotization and coupling reactions and optionally further modification reactions, wherein a compound of formula ##STR1## in which E signifies an aromatic bivalent radical,

REFERENCES:
patent: 1606209 (1926-11-01), Montmollin et al.
patent: 2430439 (1947-11-01), Stanley et al.
patent: 2746951 (1956-05-01), Taube et al.
patent: 3102111 (1963-08-01), Csermely et al.
patent: 4962191 (1990-10-01), Puntener et al.

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