ES266893A1 - New metallised disazo dyestuffs containing trihalogenopyrimidyl residues - Google Patents
New metallised disazo dyestuffs containing trihalogenopyrimidyl residuesInfo
- Publication number
- ES266893A1 ES266893A1 ES0266893A ES266893A ES266893A1 ES 266893 A1 ES266893 A1 ES 266893A1 ES 0266893 A ES0266893 A ES 0266893A ES 266893 A ES266893 A ES 266893A ES 266893 A1 ES266893 A1 ES 266893A1
- Authority
- ES
- Spain
- Prior art keywords
- radical
- methyl
- formula
- specified
- dyes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B62/00—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves
- C09B62/02—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the reactive group directly attached to a heterocyclic ring
- C09B62/20—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the reactive group directly attached to a heterocyclic ring to a pyrimidine ring
- C09B62/24—Azo dyes
- C09B62/255—Metal complex azo dyes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Abstract
1-(31 -N- trichloropyrimidylaminophenyl) -3-methyl -5-pyrazolone is prepared by condensing 1-(31-aminophenyl) -3- methyl -5- pyrazolone with tetrachloropyrimidine in a neutralised aqueous dioxan solution.ALSO:The invention comprises metal complexes of disazo dyes of formula <FORM:0955801/C3/1> wherein A is an aryl radical containing at least one sulphonic or carboxylic acid group, or a radical of formula <FORM:0955801/C3/2> B is a 1,4-arylene radical, E and E1 are radicals of coupling components each containing at least one sulphonic or carboxylic acid group and each having the <FORM:0955801/C3/3> group directly attached to an aromatic ring, n is an integer preferably of from 1 to 5 and T is a trihalogenopyrimidyl radical and wherein both the radicals represented by A and B, and/or both the radicals represented by B and E have metallizable groups in ortho position to the respective azo group. The dyes are prepared by reacting an aminodisazo dye of formula A - N = N - B - N = N - E - NHCn-1H2n-1 with a metallizing agent and an equimolecular proportion of a tetrahalopyrimidine. Specified metals are copper, nickel, cobalt and chromium. Specified tetrahalopyrimidines are tetrachloro- and tetrabromo-pyrimidine and 2,4,6-trichloro-5-bromopyrimidine. The dyes colour silk, wool, and cellulose textiles in yellow and blue shades in the presence of an acid-binding agent. In an example the disazo dye aniline-2,5-disulphonic acid --> 2-methoxy-5-methyl-aniline --> 2 - amino - 5 - naphthol - 1,7 - disulphonic acid is coppered by heating with aqueous cuprammonium sulphate solution and the copper complex condensed with tetrachloropyrimidine in a neutralized aqueous dioxan solution. Further examples and many alternative reactants are specified. Specification 902,618 is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1510360A GB955801A (en) | 1960-04-29 | 1960-04-29 | New metallised disazo dyestuffs containing trihalogenopyrimidyl residues |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES266893A1 true ES266893A1 (en) | 1961-08-01 |
Family
ID=10053098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0266893A Expired ES266893A1 (en) | 1960-04-29 | 1961-04-25 | New metallised disazo dyestuffs containing trihalogenopyrimidyl residues |
Country Status (2)
| Country | Link |
|---|---|
| ES (1) | ES266893A1 (en) |
| GB (1) | GB955801A (en) |
-
1960
- 1960-04-29 GB GB1510360A patent/GB955801A/en not_active Expired
-
1961
- 1961-04-25 ES ES0266893A patent/ES266893A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB955801A (en) | 1964-04-22 |
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