C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
8/26, 260/169.5
C09B 29/036 (2006.01) C09B 62/44 (2006.01) D06P 1/06 (2006.01)
Patent
CA 1321992
HOE 88/F 005 ABSTRACT: Water-soluble 2-naphthol azo compounds, preparation and use thereof as dyes Monoazo compounds which conform to the general formula (1) given below and are used as fiber-reactive dyes for dyeing carboxamido-containing and/or hydroxy-containing materials, for example wool, synthetic polyamide fibers and in particular cellulose fibers, in fast, predomin- antly yellowish red, red and orange shades. (1) Image where M is a hydrogen atom or an alkali metal or a divalent metal, D is an unsubstituted or carboxy- and/or sulfo- substituted phenylene or naphthylene radical, the group X-N(R)- is a fiber-reactive group in which R is hydrogen or substituted or unsubstituted alkyl and X denotes a group of the formula (2) Image (2) where Y is halogen, R* is hydrogen or substituted or unsubstituted alkyl, A is a direct bond or an ethylene- amino- or sulfo- or carboxy -substituted phenylamino or A lower alkylene group and W denotes a phenyl or naphthyl radical which in either case is substituted by a fiber- reactive group of the vinyl sulfone series and which in the case of naphthyl can be substituted by 1 or 2 sulfo groups and in the case of phenyl in addition by sub- stituents selected inter alia from the group consisting of alkyl, alkoxy, chlorine, sulfo, carboxy , nitro and alkylamino.
588037
Hussong Kurt
Springer Hartmut
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
Hussong Kurt
Springer Hartmut
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