DE627903C - Process for the preparation of dyes of the thioindigo series - Google Patents

Process for the preparation of dyes of the thioindigo series

Info

Publication number
DE627903C
DE627903C DEI46579D DEI0046579D DE627903C DE 627903 C DE627903 C DE 627903C DE I46579 D DEI46579 D DE I46579D DE I0046579 D DEI0046579 D DE I0046579D DE 627903 C DE627903 C DE 627903C
Authority
DE
Germany
Prior art keywords
dyes
preparation
thioindigo series
condensation
oxythionaphthenes
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
Application number
DEI46579D
Other languages
German (de)
Inventor
Dr Carl Krauss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to DEI46579D priority Critical patent/DE627903C/en
Application granted granted Critical
Publication of DE627903C publication Critical patent/DE627903C/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B7/00Indigoid dyes
    • C09B7/10Bis-thionapthene indigos

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)

Description

Verfahren zur Darstellung von Farbstoffen der Thioindigoreihe In der Patentschrift 2o4 6o2 ist ein Verfahren zur Darstellung blauer bis roter Küpenfarbstoffe beschrieben, das darin besteht, daß man 2, 3-Diketodihydro-i-thionäphthen, seine Homologen oder Kernsubstitutionsprodukte bzw. die entsprechenden 2-Oxime mit Indoxylen. oder Oxythionaphthenen kondensiert.Process for the preparation of dyes of the thioindigo series In the Patent specification 2o4 6o2 is a process for the preparation of blue to red vat dyes described, which consists in the fact that one 2, 3-Diketodihydro-i-thionäphthen, his Homologues or nuclear substitution products or the corresponding 2-oximes with indoxylene. or oxythionaphthenes condensed.

Es wurde nun gefunden, daß man zu Farbstoffen der Thioindigoreihe gelangt, die im Gegensatz zu den Farbstoffen der obengenannten Patentschrift in gelben bis gelbstichigroten Nuancen färben, wenn man Kernsubstitutionsprodukte des 2, 3-Diketodihydro-i-thionaphthens der Formel worin mindestens eines der X Halogen, Alkyl oder Oxalkyl bedeutet, die 5-Stellung substituiert sein kann, die 4-Stellung aber unsubstituiert sein muß, mit Oxythionaphthenen kondensiert.It has now been found that dyes of the thioindigo series are obtained which, in contrast to the dyes of the above-mentioned patent, color in yellow to yellowish-red shades, if core substitution products of 2,3-diketodihydro-i-thionaphthene of the formula are used in which at least one of X is halogen, alkyl or oxalkyl, the 5-position can be substituted, but the 4-position must be unsubstituted, condensed with oxythionaphthenes.

Während die in 4-Stellung substituierten Diketodihydrothionaphthene bei der Kondengation mit Indoxylen und Oxythionaphthenen die gleichen Produkte liefern wie die 2-Derivate derselben Dikietodihydrothionaphthene, hat sich im Gegensatz hierzu gezeigt, daß die vorliegenden Kondensationsprodukte nicht mit den Farbstoffen identisch sind, die aus den 2-Oxim- oder 2-Anilderivaten der obiger Formel entsprechenden Diketodihydrothionaphthene durch Kondensation mit den gleichen Zweitkomponenten bzw. aus den entsprechend substituierten Oxythionaphthenen durch Kondensation mit den reaktionsfähigen 2-Derivaten der Zweitkomponenten erhalten werden, daß sie sich vielmehr von diesen durch eine auffallende Verschiebung der Nuance nach Gelb unterscheidet. Die Kondensation erfolgt- in vorliegendem Falle wie beim unsubstituierten Diketodihydrothionaphthen in 3-, 2-Stellung, dagegen bei den in 4-Stellung substituierten Diketodihydrothionaphthenen in gleicher Weise wie bei den reaktionsfähigen 2-Derivaten stets in 2, 2.-Stellung.While the 4-substituted diketodihydrothionaphthenes give the same products on condensation with indoxyls and oxythionaphthenes like the 2-derivatives of the same dikietodihydrothionaphthene, has been contrasted shown here that the present condensation products do not interact with the dyes are identical to those of the 2-oxime or 2-anil derivatives corresponding to the above formula Diketodihydrothionaphthenes by condensation with the same second components or from the appropriately substituted oxythionaphthenes by condensation with the reactive 2-derivatives of the second components are obtained that they are rather, it differs from these by a noticeable shift in the shade towards yellow. In the present case, the condensation takes place as in the case of unsubstituted diketodihydrothionaphthene in the 3-, 2-position, but in the 4-position substituted diketodihydrothionaphthenes in the same way as with the reactive 2-derivatives, always in the 2, 2-position.

Die vorliegenden Farbstoffe, die hervorragende Echtheitseigenschaften aufweisen, bedeuten infolge ihrer stark gelbstichigen Nuance ,eine wertvolle Bereicherung des Farbstoffsortiments. 1 - Beispiel -19,4 Gewichtsteile 6-Äthaxyoxythionaphthen werden mit 19,8 Gewichtsteilen 6-Chlor-2, 3-diketodihydröthionaphthen in etwa 4oo Gewichtsteilen Chlorbenzol unter Zusatz von a Gewichtsteilen Piperidin unter Rühren auf etwa 115' C erhitzt und 2 Stunden lang bei einer Temperatur von 115: bis i2o° C gehalten. Der abgeschiedene Farbstoff wird abgesaugt und mit Chlorbenzol gewaschen. Trocken stellt er ein rotes Pulver dar, das aus gelber Küpe Textilfasern in echten, stärk gelbstichigen Scharlachtönen anfärbt.The present dyes, which have excellent fastness properties, are a valuable addition to the range of dyes due to their strong yellowish nuance. 1 - Example -19.4 parts by weight of 6-Äthaxyoxythionaphthen are heated with 19.8 parts by weight of 6-chloro-2,3-diketodihydröthionaphthen in about 400 parts by weight of chlorobenzene with the addition of a parts by weight of piperidine with stirring to about 115 ° C and 2 hours at a temperature of 115: to i2o ° C kept. The deposited dye is filtered off with suction and washed with chlorobenzene. When dry, it is a red powder that dyes textile fibers from a yellow vat in real, strongly yellowish scarlet tones.

In gleicher Weise läßt sich die Kondensation auch unter Zusatz anderer organischer Lösungsmittel, wie z. B. Eisessig, durchführen.In the same way, the condensation can also be carried out with the addition of others organic solvents, such as. B. glacial acetic acid.

Verwendet man an Stelle des- 6-Chlor-2, 3-diketodihydrothionaphthens äquivälente Mengen von 5, 7-Dichlor-2, 3-diketodihydrothionaphthen bzw. 5, b, 7-Trichlor-2, 3:-dücetodihydrothionaphthen bzw. 5-Chlor-7-methyl-2, 3-diketodihydrothionaphthen und führt .die Kondensation in der oben beschriebenen Weise mit der gleichen Menge 6-Äthoxyoxy- 2g thionaphthen durch, so gelangt man ebenfalls zu ausgesprochenen gelbstichig färbenden Farbstoffen.Is used instead of 6-chloro-2, 3-diketodihydrothionaphthens equivalent amounts of 5, 7-dichloro-2, 3-diketodihydrothionaphthene or 5, b, 7-trichloro-2, 3: -dücetodihydrothionaphthen or 5-chloro-7-methyl-2,3-diketodihydrothionaphthen and leads .die condensation in the manner described above with the same amount 6-Äthoxyoxy- 2g thionaphthene, then one also arrives at pronounced yellowish coloring dyes.

Claims (1)

PATENTANSPRUCH: Verfahren zur Darstellung von Farbstoffen der Thioindigoreihe, dadurch gekennzeichnet, daß man Kernsubstitutionsprodukte des 2, 3-Diketodihydro-l-thionaphthens der Formel worin mindestens eines der X Halogen, Alkyl oder Oxalkyl bedeutet, die 5-Stellung substituiert sein kann, die 4-Stellung aber unsubstituiert sein muß, mit Oxythionaphthenen kondensiert.Claim: Process for the preparation of dyes of the thioindigo series, characterized in that core substitution products of 2,3-diketodihydro-1-thionaphthene of the formula in which at least one of X is halogen, alkyl or oxalkyl, the 5-position can be substituted, but the 4-position must be unsubstituted, condensed with oxythionaphthenes.
DEI46579D 1933-02-19 1933-02-19 Process for the preparation of dyes of the thioindigo series Expired DE627903C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEI46579D DE627903C (en) 1933-02-19 1933-02-19 Process for the preparation of dyes of the thioindigo series

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI46579D DE627903C (en) 1933-02-19 1933-02-19 Process for the preparation of dyes of the thioindigo series

Publications (1)

Publication Number Publication Date
DE627903C true DE627903C (en) 1936-03-30

Family

ID=7191771

Family Applications (1)

Application Number Title Priority Date Filing Date
DEI46579D Expired DE627903C (en) 1933-02-19 1933-02-19 Process for the preparation of dyes of the thioindigo series

Country Status (1)

Country Link
DE (1) DE627903C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2882277A (en) * 1956-01-25 1959-04-14 Ciba Ltd Asymmetrical indigoid dyestuffs
DE1062371B (en) * 1956-01-25 1959-07-30 Ciba Geigy Process for the preparation of asymmetric indigoid dyes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2882277A (en) * 1956-01-25 1959-04-14 Ciba Ltd Asymmetrical indigoid dyestuffs
DE1062371B (en) * 1956-01-25 1959-07-30 Ciba Geigy Process for the preparation of asymmetric indigoid dyes

Similar Documents

Publication Publication Date Title
DE627903C (en) Process for the preparation of dyes of the thioindigo series
DE623839C (en)
DE517442C (en) Process for the preparation of Kuepen dyes
DE844780C (en) Process for the production of Kuepen dyes
DE931971C (en) Process for the production of Kuepen dyes
DE599915C (en) Process for the preparation of indigoid dyes
DE682820C (en) Process for the production of Kuepen dyes
DE521716C (en) Process for the production of uniform, non-bronzing colorations with sulfur dyes
DE524362C (en) Process for the production of Kuepen dyes
DE679340C (en) Process for the preparation of dehydrobinaphthylenediimine
DE542802C (en) Process for the preparation of new Kuepen colors
DE525647C (en) Process for producing blue tints on vegetable fibers
DE744772C (en) Process for the preparation of acidic anthraquinone dyes
DE419082C (en) Process for the representation of blue-violet to violet sulfur dyes
DE518017C (en) Process for the preparation of Kuepen dyes of the anthraquinone series
DE864425C (en) Process for the production of anthraquinone dyes which are resistant to gas shrinkage and are particularly suitable for dyeing acetate silk
DE456582C (en) Process for the production of Kuepen dyes of the dibenzanthrone series
DE549663C (en) Process for the representation of real Kuepen colors
DE728376C (en) Process for the preparation of azine series nitro dyes
DE121610C (en)
DE248656C (en) PROCESS FOR THE PREPARATION OF CONDENSATION PRODUCTS OF THE ANTHRACHINONE SERIES
DE542540C (en) Process for the preparation of a stable, water-soluble yellow sulfuric acid ester
DE917206C (en) Process for the production of Kuepen dyes
DE694333C (en) Process for the production of sulfur dyes
DE936943C (en) Process for the production of Kuepen dyes