Formylamino-aminophenol compounds and their use in preparation o

Details Formylamino-aminophenol compounds and their use in preparation o Formylamino-aminophenol compounds and their use in preparation o

1994-10-31

1996-07-16

Higel, Floyd D.

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

Organic compounds

Amino nitrogen containing

534618, 534652, C07C23307

Patent

active

055368760

ABSTRACT:
Fiber-reactive formazan dyes are prepared by diazotizing a protectively formylated hydroxyphenylenediamine, coupling with a hydrazone compound, metallizing, eliminating the protective group, and reacting with a halotriazine and optionally thereafter with an amine or a hydroxy compound via novel aminophenol intermediates.

REFERENCES:
patent: 648580 (1900-05-01), Behal
patent: 2647815 (1955-08-01), Buc et al.
patent: 2953423 (1960-09-01), Buc
patent: 5107022 (1992-04-01), De Besset
patent: 5145483 (1992-09-01), Junino et al.
patent: 5155269 (1992-10-01), Dunn et al.
patent: 5410027 (1995-04-01), Marschner et al.

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