C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 29/09 (2006.01) C09B 62/44 (2006.01) D06P 1/38 (2006.01)
Patent
CA 2093085
Abstract of the Disclosure: Water-soluble azo compounds, a process for their preparation and their use as dyes. Water-soluble monoazo compounds of the formula Image (1) are described, in which D is phenylene which can be substituted by 1 or 2 substituents customary in diazo components of fiber-reactive dyes and/or by a group of the formula Y-SO2-(CHz)m- where Y has one of the meanings given below and m is the number 1 or 2, or is naphthylene which can be substituted by 1 or 2 substituents customary in diazo components of fiber-reactive dyes, or is ben- zothiazol-2-yl containing the group aforementioned Y-SO2-( CH2 )n- bonded to the carbocyclic ring thereof and can be substituted by a further substituent customary in fiber-reactive dyes, n is the number zero, 1 or 2, the group Y-SO2- is a fiber-reactive group from the vinylsul- fonyl series, M is hydrogen or the mole equivalent of a metal, such as, in particular, an alkali metal, R1 is hydrogen, lower alkyl, phenyl or a lower alkyl which is substituted by 1 or 2 nonionic and/or anionic substitu- ents, and R2 is lower alkyl, phenyl or a lower alkyl which is substituted by 1 or 2 nonionic and/or anionic sub- stituents, or is phenyl which is substituted by sub- stituents customary in fiber-reactive dyes, or is naph- thyl substituted by sulfo and/or carboxy groups. Azo compounds (1) are water-soluble dyes having fiber- reactive properties and dye hydroxy - and/or carboxamido- containing material, in particular fiber material, such as wool and synthetic polyamide, and, in particular, cellulose fiber materials, such as cotton, in hues of high color strength and good fastness properties via the application and fixation processes customary for fiber- reactive dyes.
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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