C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 31/14 (2006.01) C09B 62/44 (2006.01) D06P 1/06 (2006.01)
Patent
CA 2154528
Water-soluble disazo compounds, process for their prep- aration and their use as dyestuffs Water-soluble disazo compounds of the formula (1) shown and defined below are suitable as fiber-reactive dye- stuffs for dyeing material containing hydroxy and/or carboxamide groups, in particular fiber material, such as cellulose fibers, wool and synthetic polyamide. (1) Image in which: M is hydrogen or an alkali metal, D1 is a radical of the formula (2a) or (2b) and D2 is a group of the formula (3) Image Image (2a) (2b) Image (3) in which Y-SO2- is a fiber-reactive group of the vinyl sulfone series, n is the number 1 or 2, R1 is hydrogen, halogen, lower alkyl, lower alkoxy, sulfo or carboxy , R2 is hydrogen, chlorine, lower alkyl or lower alkoxy, m is the number zero, 1 or 2, R is hydrogen or lower alkyl and Q is lower alkoxy, which can be substituted by lower alkoxy, or amino, alkylamino or dialkylamino, the alkyl radicals of which can be substituted by lower alkoxy, or is the radical of a saturated 5- to 8-membered heterocyclic compound.
Dannheim Jorg
Russ Werner Hubert
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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