C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
8/27.4, 260/169.
C09B 29/00 (2006.01) C09B 62/44 (2006.01) D06P 1/06 (2006.01)
Patent
CA 1157468
ABSTRACT Water-soluble azo compounds of the general formula (1) Image (I) and their salts, in which Y is chlorine or a group -NRX in which R is a hydrogen atom or an alkyl group with 1 to 4 C atoms, X denotes an alkyl group which has 1 to 6 C atoms and is substituted by a carboxylic acid group or sulfonic acid group, or represents the phenyl radical, which is substituted by one or two sulfonic acid groups and/or carboxylic acid groups, and Z represents the vinyl, .beta.-thiosulfatoethyl or .beta.-sulfatoethyl group, and in which the second sulfonic acid group in the naphthalene radical is boned in the m-position or p-position relative to the acylated amino group. The new compounds can be prepared by processes analogous to known processes for the preparation of azo compounds or for the acylation of appropriate amino starting compounds, thus, for example, by diazotizing the corresponding aniline compound and coupling the diazotization product with the corresponding aminonaphthol compound, as the coupling component, which either already contains the amino-substituted chlorotriazinyl radical or contains a dichlorotriazinyl radical bonded to the amino group, so that, in this case, the azo compound, formed therefrom, with the dichlorotriazinylamino- naphtholdisulfonic acid coupling component can then be acylated with a corres- ponding primary or secondary amino to give the new azo compound. The now azo compounds are very valuable dyestuffs which have fiber-reactive properties and give valuable, color-fast and deep dyeings and prints on cellulose fiber mater- ials and also on synthetic and natural polyamide fiber materials.
366223
Meininger Fritz
Otten Joachim
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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