DE2419050A1 - AZO DYES - Google Patents
AZO DYESInfo
- Publication number
- DE2419050A1 DE2419050A1 DE19742419050 DE2419050A DE2419050A1 DE 2419050 A1 DE2419050 A1 DE 2419050A1 DE 19742419050 DE19742419050 DE 19742419050 DE 2419050 A DE2419050 A DE 2419050A DE 2419050 A1 DE2419050 A1 DE 2419050A1
- Authority
- DE
- Germany
- Prior art keywords
- formula
- butyl
- azo dyes
- oconhr
- red
- 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.)
- Granted
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
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/06—Monoazo dyes prepared by diazotising and coupling from coupling components containing amino as the only directing group
- C09B29/08—Amino benzenes
-
- 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
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/06—Monoazo dyes prepared by diazotising and coupling from coupling components containing amino as the only directing group
- C09B29/08—Amino benzenes
- C09B29/0805—Amino benzenes free of acid groups
- C09B29/0807—Amino benzenes free of acid groups characterised by the amino group
- C09B29/0809—Amino benzenes free of acid groups characterised by the amino group substituted amino group
- C09B29/0811—Amino benzenes free of acid groups characterised by the amino group substituted amino group further substituted alkylamino, alkenylamino, alkynylamino, cycloalkylamino aralkylamino or arylamino
- C09B29/0823—Amino benzenes free of acid groups characterised by the amino group substituted amino group further substituted alkylamino, alkenylamino, alkynylamino, cycloalkylamino aralkylamino or arylamino substituted by CN
- C09B29/0826—Amino benzenes free of acid groups characterised by the amino group substituted amino group further substituted alkylamino, alkenylamino, alkynylamino, cycloalkylamino aralkylamino or arylamino substituted by CN having N(-alkenylene/-alkynylene-O)(-alkenylene/-alkynylene-CN)
-
- 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
- C09B43/00—Preparation of azo dyes from other azo compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Description
Bayer AktiengesellschaftBayer Aktiengesellschaft
Zentralbereich
Patente, Marken und LizenzenCentral area
Patents, trademarks and licenses
509 Leverkusen, Bayerwerk K/Bre509 Leverkusen, Bayerwerk K / Bre
19. April 1974April 19, 1974
Gegenstand der Erfindung sind wasserunlösliche Azofarbstoffe der FormelThe invention relates to water-insoluble azo dyes of the formula
=J Nk-OCONHR = J Nk-OCONHR
(I)(I)
worinwherein
R1 R2 V1 V2R 1 R 2 V 1 V 2
C4-C6-Alkyl,C 4 -C 6 -alkyl,
H oder CH3,H or CH 3 ,
CN, Cl, Br oder NO2,CN, Cl, Br or NO 2 ,
H, CH5, CN, Cl, Br, CF3, SO2CH3 oderH, CH 5 , CN, Cl, Br, CF 3 , SO 2 CH 3 or
H, CH,, oder Cl und D H, CH ,, or Cl and D
C2-C^-Alkylen bedeuten,Mean C 2 -C ^ alkylene,
sowie deren Herstellung und Verwendung zum Färben von synthetischen Fasermaterialien.as well as their manufacture and use for dyeing synthetic Fiber materials.
Bevorzugte Farbstoffe der Formel (I) sind solche der FormelPreferred dyes of the formula (I) are those of the formula
W,W,
1 V=1 V =
N=N·N = N
CN R,CN R,
=/ "Nk-OCONHR1 = / "Nk-OCONHR 1
(II)(II)
Le A 15Le A 15
5098AA/09225098AA / 0922
worin " ^'where "^ '
W1 CN oder 2, W2 H, CN oder CF,W 1 CN or 2 , W 2 H, CN or CF,
sowie solche der Formelas well as those of the formula
C2H4CNC 2 H 4 CN
2 4 (in) 2 4 (in)
A-OCONHR1 A-OCONHR 1
worinwherein
U1 Cl oder CN undU 1 Cl or CN and
U2 H oder Cl bedeuten,U 2 mean H or Cl,
wobei R1, R2 und A die obengenannte Bedeutung haben. Vorzugsweise stehen R1 für η-Butyl und A für -C2H.-.where R 1 , R 2 and A have the abovementioned meaning. R 1 is preferably η-butyl and A is -C 2 H.-.
Die neuen Azofarbstoffe der Formel I werden erhalten, indem man Amine der FormelThe new azo dyes of the formula I are obtained by adding amines of the formula
(IV)(IV)
worinwherein
V1 - V, die obengenannte Bedeutung haben.V 1 - V, have the meaning given above.
diazotiert und mit Kupplungskomponenten der Formeldiazotized and with coupling components of the formula
(V) A-O-Z(V) A-O-Z
Le A 15 679 - 2 - Le A 15 679 - 2 -
509844/0922509844/0922
Geeignete Verbindungen der Formel VIII sind n-Buylamin, n-Pentylamin sowie n-Hexylamin.Suitable compounds of the formula VIII are n-butylamine, n-pentylamine and n-hexylamine.
Schließlich kann man Verbindungen der Formel IV, wobei Z für CO-NH-R1 steht, dadurch gewinnen, daß' man Aniline der FormelFinally, compounds of the formula IV, where Z stands for CO-NH-R 1 , can be obtained by using anilines of the formula
1 \VNHCpH.CN (IX) 1 \ VNHCpH.CN (IX)
mit Verbindungen der Formelwith compounds of the formula
Cl-A- OCONHR1 (X)Cl-A- OCONHR 1 (X)
in an sich bekannter Weise umsetzt. Die Verbindungen der Formel IX sind bekannt. Verbindungen der Formel X sind ebenfalls bekannt oder durch Umsetzung von Cl-A-OH mit entsprechenden Carbamidsäurehalogeniden oder Isocyanaten erhältlich.implemented in a manner known per se. The compounds of the formula IX are known. Compounds of formula X are also known or obtainable by reacting Cl-A-OH with corresponding carbamic acid halides or isocyanates.
Auch die Umsetzung der Kupplungsprodukte, bei denen Z=H ist, mit Verbindungen VI wird nach an sich bekannten Methoden in einem inerten Lösungsmittel gegebenenfalls in Gegenwart säurebindender Mittel durchgeführt (vgl. z.B. DP 1 810 063 = 'GB 1 241 705).The reaction of the coupling products in which Z = H with compounds VI is also carried out according to methods known per se in an inert solvent, optionally in the presence of acid-binding agents (cf. e.g. DP 1 810 063 = 'GB 1 241 705).
Die Diazokomponenten der Formel IV. sind bekannt, beispielsweise seien genannt:The diazo components of the formula IV. Are known, for example:
Le A 15 679 - 4 -Le A 15 679 - 4 -
509844/0922509844/0922
2,4-Dicyananilin, 3,4-Dicyananilin, 2,6-Dicyan-4-nitranilin, 2-Methylsulfonyl-4-nitranilin, 2-Trifluormethyl-4-nitranilin, 2-Methylsulfonyl-4-nitro-6-cyan-anilin, 2-Trifluormethyl-4-nitro-6-cyananilin, 2,5-Dichlor-4-cyananilin, 2-Cyan-4-nitranilin, 2,4-Dicyan-3,5-dimethylanilin, 2-Chlor-4-cyananilin, 2, e-Dicyan-^-chlor-anilin.2,4-dicyananiline, 3,4-dicyananiline, 2,6-dicyan-4-nitroaniline, 2-methylsulfonyl-4-nitroaniline, 2-trifluoromethyl-4-nitraniline, 2-methylsulfonyl-4-nitro-6-cyanoaniline, 2-trifluoromethyl-4-nitro-6-cyanoaniline, 2,5-dichloro-4-cyananiline, 2-cyan-4-nitroaniline, 2,4-dicyan-3,5-dimethylaniline, 2-chloro-4-cyananiline, 2, e-dicyan - ^ - chloro-aniline.
Auch die Kupplungskomponenten der Formel V mit Z=H sind bekannt, beispielsweise seien genannt;The coupling components of the formula V with Z = H are also known, for example;
N-ß-Cyanäthyl-N-oxyäthyl-anilin, N-ß-Cyanäthyl-N-oxyäthyl-mtoluidin, N-ß-Cyanäthyl-N-oxybutylanilin, N-ß-Cyanäthyl-N-oxybutyl-m-toluidin. N-ß-cyanoethyl-N-oxyethyl-aniline, N-ß-cyanoethyl-N-oxyethyl-mtoluidine, N-ß-cyanoethyl-N-oxybutylaniline, N-ß-cyanoethyl-N-oxybutyl-m-toluidine.
Die erfindungsgemäßen Farbstoffe der Formel I eignen sich vorzüglich zum Färben von synthetischen hydrophoben Fasermaterialien wie solchen aus aromatischen Polyester, Celluloseestern und Superpolyamiden nach den für die jeweiligen Faserarten üblichen Färbeverfahren.The dyes of the formula I according to the invention are eminently suitable for dyeing synthetic hydrophobic fiber materials such as those made from aromatic polyester, cellulose esters and super polyamides according to the dyeing processes customary for the respective fiber types.
Die erhaltenen Färbungen zeichnen sich durch Klarheit und gute Allgemeinechtheiten, die Polyesterfärbungen beispielsweise durch gute Sublimierechtheit aus.The dyeings obtained are distinguished by clarity and good all-round fastness properties, the polyester dyeings, for example good fastness to sublimation.
Le A 15 679 - 5 - Le A 15 679 - 5 -
509844/0922509844/0922
Beispiel 1 . £ · Example 1 . £
12,9 g 2-Cyan-4-nitranilin werden bei O - 50C in 40 cnr5 konzentrierter Schwefelsäure gelöst, dann werden 17 cnr Nitrosylschwefelsäure (100 cm enthalten 42 g NaNOp) "bei O0C zugetropft. Man rührt ca. 1 Stunde bei 0 - 5°C nach, gießt die Lösung unter Rühren auf Eis, das etwas Amidosulfonsäure enthält, gibt die so erhaltene Lösung unter Rühren zu einer Lösung von 29,5 g Base der Formel12.9 g of 2-cyano-4-nitroaniline are at O - 5 0 C in 40 cnr 5 of concentrated sulfuric acid dissolved, then 17 cnr nitrosyl sulfuric acid (100 cm containing 42 g NanOp) "O at 0 C is added dropwise The mixture is stirred approx. 1 hour at 0-5 ° C., the solution is poured onto ice, which contains some sulfamic acid, with stirring, and the solution thus obtained is added to a solution of 29.5 g of base of the formula with stirring
C2H4CN
C2H4OCONHC4H9 C 2 H 4 CN
C 2 H 4 OCONHC 4 H 9
in verdünnte Salzsäure, neutralisiert mit Natronlauge bis zur schwach sauren Reaktion, saugt den ausgefallenen Farbstoff ab, wäscht mit Wasser neutral und trocknet den so erhaltenen Farbstoff. in dilute hydrochloric acid, neutralized with sodium hydroxide solution until a weakly acidic reaction, sucks off the precipitated dye, washes neutral with water and dries the dye thus obtained.
Durch geeignete Dispergiermittel, in feine Verteilung gebracht, färbt der Farbstoff bei Anwendung der üblichen Färbeverfahren Polyesterfasern in klaren blaustichig roten Tönen mit guter Sublimierechtheit an.Finely dispersed by means of suitable dispersants, the dye colors when the usual dyeing processes are used Polyester fibers in clear bluish red tones with good sublimation fastness.
33 g des Farbstoffs der Formel33 g of the dye of the formula
werden in 100 g Chlorbenzol unter Rühren auf etwa 50 - 1000C erwärmt. Dazu werden 10g Butylisocyanat gegeben und noch 1/2 Stunde bei dieser Temperatur weitergerührt. Nach dem Erkalten kristallisiert ein mit dem nach Beispiel 1 erhaltenen Produkt identischer Farbstoff aus.are dissolved in 100 g of chlorobenzene, with stirring to about 50 - 100 0 C heated. 10 g of butyl isocyanate are added and the mixture is stirred for a further 1/2 hour at this temperature. After cooling, a dye identical to that obtained in Example 1 crystallizes out.
Le A 15 679 - 6 - Le A 15 679 - 6 -
509844/0922509844/0922
Löst man die gleiche Menge Ausgangsfarbstoffs von Beispiel 2 in 100 cm wasserfreiem Pyridin, gibt bei O0C 17 g Chlorameisensaurephenylester unter gütern Rühren langsam zu, rührt 3 Stunden nach, gibt Butylamin zu, rührt bei 40 - 60°C noch ca. 1/2 Stunde und rührt die Lösung in Wasser ein. Der ausgefallene Farbstoff wird mit Wasser bis zur völligen Entfernung von Pyridin und Phenol ausgeführt, abgesaugt und getrocknet. Er färbt Polyesterfaser in ähnlichen Tönen, mit ähnlichen Echtheiten an wie der Farbstoff nach Beispiel 1.Dissolve the same amount of the starting dyestuff from Example 2 in 100 cm of anhydrous pyridine, slowly add 17 g of phenyl chloroformate at 0 ° C. with vigorous stirring, stir for 3 hours, add butylamine, stir at 40 - 60 ° C for about 1 / 2 hours and stir the solution in water. The precipitated dye is carried out with water until all pyridine and phenol have been removed, filtered off with suction and dried. It dyes polyester fibers in similar shades and with similar fastness properties as the dye according to Example 1.
Verwendet man analoge Ausgangsmaterialien und verfährt nach einem der vorstehend beschriebenen Verfahren, so werden die in der folgenden Tabelle aufgeführten wertvollen Farbstoffe erhalten, die Polyesterfasern in den angegebenen Farbtönen färben:If analogous starting materials are used and one of the processes described above is followed, the in the The following table contains valuable dyes that dye polyester fibers in the specified shades:
Farbstoffe der allgemeinen FormelColorants of the general formula
C - NHRC - NHR
H*
H
"C2H4-"C 2 H 4 -
"C 2 H 4 -
Le A 15 679Le A 15 679
5098U/09225098U / 0922
T a b e lie T abe lie
Fortsetzungcontinuation
Z) CH,
Z)
Le A 15 679Le A 15 679
509844/0922509844/0922
Claims (3)
CN R2 A-OCONHR. U 1 ι y
CN R 2
worinCN
wherein
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742419050 DE2419050B2 (en) | 1974-04-20 | 1974-04-20 | MONOAZO DYES, METHOD OF MANUFACTURING AND USE |
GB1522775A GB1452469A (en) | 1974-04-20 | 1975-04-14 | Azo dyestuffs containing n-alkylaminocarbonyl-oxyalkyl-n- cyanoalkyl-amino groups |
NL7504584A NL7504584A (en) | 1974-04-20 | 1975-04-17 | AZO DYES. |
JP4662975A JPS50145426A (en) | 1974-04-20 | 1975-04-18 | |
IT2251275A IT1037438B (en) | 1974-04-20 | 1975-04-18 | AZO DYES |
BE155520A BE828085A (en) | 1974-04-20 | 1975-04-18 | AZOIC DYES, THEIR OBTAINING AND THEIR APPLICATIONS |
FR7512151A FR2268055B1 (en) | 1974-04-20 | 1975-04-18 | |
CH502375A CH585777A5 (en) | 1974-04-20 | 1975-04-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742419050 DE2419050B2 (en) | 1974-04-20 | 1974-04-20 | MONOAZO DYES, METHOD OF MANUFACTURING AND USE |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2419050A1 true DE2419050A1 (en) | 1975-10-30 |
DE2419050B2 DE2419050B2 (en) | 1976-09-02 |
Family
ID=5913399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19742419050 Granted DE2419050B2 (en) | 1974-04-20 | 1974-04-20 | MONOAZO DYES, METHOD OF MANUFACTURING AND USE |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS50145426A (en) |
BE (1) | BE828085A (en) |
CH (1) | CH585777A5 (en) |
DE (1) | DE2419050B2 (en) |
FR (1) | FR2268055B1 (en) |
GB (1) | GB1452469A (en) |
IT (1) | IT1037438B (en) |
NL (1) | NL7504584A (en) |
-
1974
- 1974-04-20 DE DE19742419050 patent/DE2419050B2/en active Granted
-
1975
- 1975-04-14 GB GB1522775A patent/GB1452469A/en not_active Expired
- 1975-04-17 NL NL7504584A patent/NL7504584A/en unknown
- 1975-04-18 IT IT2251275A patent/IT1037438B/en active
- 1975-04-18 JP JP4662975A patent/JPS50145426A/ja active Pending
- 1975-04-18 CH CH502375A patent/CH585777A5/xx not_active IP Right Cessation
- 1975-04-18 FR FR7512151A patent/FR2268055B1/fr not_active Expired
- 1975-04-18 BE BE155520A patent/BE828085A/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB1452469A (en) | 1976-10-13 |
BE828085A (en) | 1975-10-20 |
DE2419050B2 (en) | 1976-09-02 |
CH585777A5 (en) | 1977-03-15 |
NL7504584A (en) | 1975-10-22 |
FR2268055B1 (en) | 1978-12-29 |
IT1037438B (en) | 1979-11-10 |
JPS50145426A (en) | 1975-11-21 |
FR2268055A1 (en) | 1975-11-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) | ||
E77 | Valid patent as to the heymanns-index 1977 | ||
8339 | Ceased/non-payment of the annual fee |