2-(arylsulphonylamino)-pyrimidine intermediates for Azo dyes

Details 2-(arylsulphonylamino)-pyrimidine intermediates for Azo dyes 2-(arylsulphonylamino)-pyrimidine intermediates for Azo dyes

1995-06-06

1996-04-23

Richter, Johann

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

C07D23947, C07D23948, C07D239545, C07D23969

Patent

active

055104835

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,

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patent: 3102111 (1963-08-01), Csermely et al.
patent: 4962191 (1990-10-01), Puntener et al.
Vree et al., The Veterinary Quarterly, (1991), 13(4), "Novel Oxidative Pathways of Sulphapyridine and Sulphadiazine by the Turtle Pseudemys scripta elegans", 218-24.

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