CH146442A - Process for the preparation of 5-chloro- (2) -thionaphten-4'-methyl-5'-chloro-7'-methoxy- (2 ') -indole-indigo. - Google Patents

Process for the preparation of 5-chloro- (2) -thionaphten-4'-methyl-5'-chloro-7'-methoxy- (2 ') -indole-indigo.

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Publication number
CH146442A
CH146442A CH146442DA CH146442A CH 146442 A CH146442 A CH 146442A CH 146442D A CH146442D A CH 146442DA CH 146442 A CH146442 A CH 146442A
Authority
CH
Switzerland
Prior art keywords
sep
chloro
methyl
indigo
methoxy
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellsc Farbenindustrie
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
Publication of CH146442A publication Critical patent/CH146442A/en

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  • Indole Compounds (AREA)

Description

  

  
EMI0001.0001     
  
    Verfahren <SEP> zur <SEP> Darstellung <SEP> von <SEP> 5-Chlor-(2)-thionapliten-f-methyl-5'-ehlor  <B>7 <SEP> <I>9</I></B> <SEP> .methox.Y-(2')-Indol-Indigo.       Gegenstand dieses Patentes ist ein Ver  fahren zur Darstellung von     5-Chlor-3-oxy-          (2)    -     thiorraphten-4'-tnethyl-5-chlor-7'-methoxy-          (2)'-indol-indigo,    welches dadurch     gekennzeich-          netist,    dass man     5-Chlor-3-oxy-l-thior)

  aphten    in  Gegenwart eines     indifferenten    organischen  Lösungsmittels mit einem reaktionsfähigen       a-Derivat    des     4-Methyl-5-chlor-7-methoxy-          isatins    kondensiert.  



       Beispiel:     22,6 Gewichtsteile     4-Methyl-5-chlor-7-          meth_oxy-isatin    werden durch Erwärmen mit       221Cxewiöhtsteilen        Phosphorpentachlorid    in  200     Gewichtsteilenerlsenzöf    n     tl@rs-Isairr-_          a-chlorid    verwandelt und mit einer Lösung  von 18,5 Gewichtsteilen     5-Chlor-3-oxy-l-thio-          rraphten    in 200 Gewichtsteilen Chlorbenzol  vereinigt. Der neue Farbstoff 'wird filtriert    und durch Waschen mit     Alkohol    vom Chlor  benzol befreit.  



  Der     5-Chlor-(2)-thionaphten-4'-methyl-5'-          ehlor-7'-methoxy-(2')-indol-indigo    färbt die  Faser aus gelber     Küpe    in blauen Tönen von  guten     Echtheitseigenscbaften        an.    Der Farbton  ist etwas grüner als der des Farbstoffes des  Zusatzpatentes Nr. 145891.



  
EMI0001.0001
  
    Method <SEP> for <SEP> representation <SEP> of <SEP> 5-chloro- (2) -thionapliten-f-methyl-5'-ehlor <B> 7 <SEP> <I> 9 </I> < / B> <SEP> .methox.Y- (2 ') - indole-indigo. The subject of this patent is a process for the preparation of 5-chloro-3-oxy- (2) - thiorraphten-4'-methyl-5-chloro-7'-methoxy- (2) '- indole-indigo, which is thereby marked - netist that one can 5-chloro-3-oxy-l-thior)

  Aphten condenses in the presence of an inert organic solvent with a reactive α-derivative of 4-methyl-5-chloro-7-methoxy-isatin.



       Example: 22.6 parts by weight of 4-methyl-5-chloro-7-meth_oxy-isatin are converted into 200 parts by weight of phosphorus pentachloride by heating with 221Cxewiöhtsteile phosphorus pentachloride in 200 parts by weight of senzöf n tl @ rs-Isairr-_ a -chloride and with a solution of 18.5 parts by weight of 5 -Chlor-3-oxy-1-thio- rraphten combined in 200 parts by weight of chlorobenzene. The new dye is filtered off and freed from chlorobenzene by washing with alcohol.



  The 5-chloro- (2) -thionaphten-4'-methyl-5'-chloro-7'-methoxy- (2 ') -indole-indigo stains the fiber from the yellow vat in blue shades with good fastness properties. The color is a little greener than that of the dye of additional patent no. 145891.

Claims (1)

EMI0001.0029 PATENTANSPRUCH: <tb> Verfahren <SEP> zur <SEP> Darstellung <SEP> von <SEP> 5-Chlor (2)-thionaphten-4'-rnethyl-5'-chlor-7'-rnethoxy (2')-iiidol-indigo, <SEP> dadurch <SEP> gekennzeichnet, <SEP> dass <tb> man <SEP> 5-Chlor-3-oxy-l-tlrionaphterr <SEP> in <SEP> Gegen wart <SEP> eines <SEP> indifferenten <SEP> organischen <SEP> Lösungs Is <SEP> mit <SEP> einem <SEP> reaktionsfähigen <SEP> a-Derivat <tb> des <SEP> 4 <SEP> e <SEP> ll@l-5-bhlöt-fi=rrxethoxy-istztins <SEP> kon densiert. <tb> Der <SEP> so <SEP> erhaltene <SEP> Farbstoff <SEP> färbt <SEP> die <SEP> Faser <tb> aus <SEP> gelber <SEP> Küpe <SEP> in <SEP> blauen <SEP> Tönen <SEP> von <SEP> guten Echtheitseigenschaften an. Der Farbton ist etwas grüner als der des Farbstoffes des Zusatzpatentes Nr. 19.5891. EMI0001.0029 PATENT CLAIM: <tb> Method <SEP> for the <SEP> representation <SEP> of <SEP> 5-chloro (2) -thionaphten-4'-methyl-5'-chloro-7'-methoxy (2 ') - iiidol-indigo , <SEP> characterized by <SEP>, <SEP> that <tb> man <SEP> 5-chloro-3-oxy-l-tlrionaphterr <SEP> in <SEP> presence <SEP> of an <SEP> indifferent <SEP> organic <SEP> solution Is <SEP> with <SEP > a <SEP> reactive <SEP> a-derivative <tb> des <SEP> 4 <SEP> e <SEP> ll @ l-5-bhlöt-fi = rrxethoxy-istztins <SEP> condensed. <tb> The <SEP> so <SEP> obtained <SEP> dye <SEP> <SEP> colors the <SEP> fiber <tb> from <SEP> yellow <SEP> vat <SEP> in <SEP> blue <SEP> tones <SEP> with <SEP> good fastness properties. The color is a little greener than that of the dye of additional patent no. 19.5891. UNTERANSPRUCII: Verfahren nach Patentanspruch, dadurch gekennzeichnet, dass man die Kondensation in Chlorbenzol vornimmt. SUBSTANTIAL CLAIM: Process according to claim, characterized in that the condensation is carried out in chlorobenzene.
CH146442D 1928-04-07 1929-04-04 Process for the preparation of 5-chloro- (2) -thionaphten-4'-methyl-5'-chloro-7'-methoxy- (2 ') -indole-indigo. CH146442A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE146442X 1928-04-07
CH143034T 1929-04-04

Publications (1)

Publication Number Publication Date
CH146442A true CH146442A (en) 1931-04-15

Family

ID=25714216

Family Applications (1)

Application Number Title Priority Date Filing Date
CH146442D CH146442A (en) 1928-04-07 1929-04-04 Process for the preparation of 5-chloro- (2) -thionaphten-4'-methyl-5'-chloro-7'-methoxy- (2 ') -indole-indigo.

Country Status (1)

Country Link
CH (1) CH146442A (en)

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