CH230417A - Process for the production of a new condensation product. - Google Patents
Process for the production of a new condensation product.Info
- Publication number
- CH230417A CH230417A CH230417DA CH230417A CH 230417 A CH230417 A CH 230417A CH 230417D A CH230417D A CH 230417DA CH 230417 A CH230417 A CH 230417A
- Authority
- CH
- Switzerland
- Prior art keywords
- sep
- condensation product
- production
- new
- new condensation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/60—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings condensed with carbocyclic rings or ring systems
- C07D277/62—Benzothiazoles
- C07D277/68—Benzothiazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
- C07D277/82—Nitrogen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Verfahren zur Herstellung eines neuen Kondensationsproduktes.
EMI0001.0002
Es <SEP> wurde <SEP> ;gefunden, <SEP> dass <SEP> man <SEP> ein <SEP> neue
<tb> KandJensationisproidukt <SEP> erhält, <SEP> wenn <SEP> man <SEP> die
<tb> 1.2-Dimethyl-4-o@gybenzol-5-carbonsäure <SEP> in
<tb> Gegenwarit <SEP> von <SEP> Verdünnungs@- <SEP> und <SEP> wasserent ziehenden <SEP> Mitteln <SEP> auf <SEP> 2-Amin,o-6=ätho@xy benzthnazoil <SEP> einwirken <SEP> lässt.
<tb>
Das <SEP> neue <SEP> Kondensationsprodukt <SEP> ent spricht <SEP> .der <SEP> Furnneh
EMI0001.0003
EMI0001.0004
Es <SEP> <I>I</I>Üsst <SEP> sich <SEP> in <SEP> wäbsiserigen <SEP> Lösungen <SEP> von
<tb> Ätzailikalien <SEP> und <SEP> wird <SEP> daraus <SEP> durch <SEP> Ansäuern
<tb> ausgefällt; <SEP> aus <SEP> Chlorbenzol <SEP> umgelöst, <SEP> schmilzt
<tb> es <SEP> bei <SEP> 258 . <SEP> Es <SEP> kuppelt <SEP> mit <SEP> Diazoverbindun gen <SEP> unter <SEP> Bildung <SEP> von <SEP> Azofarbstaffen.
<tb>
<I>Beispiel:</I>
<tb> 166 <SEP> Teile <SEP> 1.2-Dionethyl-4-oxybenzol-5 carbonsäure <SEP> und <SEP> 194 <SEP> Teile <SEP> 2-Aminoi-6-äthoxy benzthiazrnl <SEP> werden <SEP> mit <SEP> 1000 <SEP> Teilen <SEP> Chlor benzol <SEP> auf <SEP> 75 <SEP> erhitzt. <SEP> In <SEP> diese <SEP> Mischung
EMI0001.0005
werden <SEP> im. <SEP> Verlauf <SEP> einer <SEP> Stunde <SEP> 69 <SEP> Teile
<tb> Phosphortrmehlorid <SEP> .zubetropft <SEP> und <SEP> hierauf
<tb> zum <SEP> Sieden <SEP> erhitzt, <SEP> bis <SEP> keine <SEP> Salzsäure <SEP> mehr
<tb> entwickelt <SEP> wird. <SEP> Nach <SEP> dem <SEP> Abkühlen <SEP> wird.
<tb> ,das <SEP> ausgeschiedene <SEP> Kondensationsprodukt
<tb> abfiltrierrh.
<SEP> Daus <SEP> noch <SEP> anhaftende <SEP> Lösungs mittel <SEP> wird <SEP> in <SEP> Gegenwart <SEP> von <SEP> überschüssigem
<tb> Natriumacatat <SEP> mit <SEP> Wasserdampf <SEP> abgeblasen;
<tb> hierauf <SEP> wird <SEP> das <SEP> Kondensationsprodukt <SEP> ab, filtriert, <SEP> mit <SEP> Waissier <SEP> gewasichen <SEP> und <SEP> ige; trocknet.
<tb>
Dass <SEP> Chlorbenzoil <SEP> kann <SEP> durch <SEP> andere <SEP> Lö sungsmitteZ, <SEP> wie <SEP> Toluol <SEP> oder <SEP> Dimethylanfin,
<tb> ersetzt <SEP> werden. <SEP> Stritt <SEP> Pho@spho@rtrichlorid <SEP> kann
<tb> zum <SEP> Beispiel <SEP> Phosphoroxychlorid, <SEP> Thionyl
<tb> ch-larid <SEP> oder <SEP> Siliciumtetrachlorid <SEP> verwendet
<tb> werden.
Process for the production of a new condensation product.
EMI0001.0002
<SEP> was found <SEP>; <SEP> that <SEP> man <SEP> a <SEP> new one
<tb> Candidensationis product <SEP> receives, <SEP> if <SEP> one <SEP> the
<tb> 1.2-Dimethyl-4-o@gybenzol-5-carbonsäure <SEP> in
<tb> Counterwarit <SEP> of <SEP> thinner @ - <SEP> and <SEP> dehydrating <SEP> agents <SEP> act on <SEP> 2-amine, o-6 = ätho @ xy benzthnazoil <SEP> <SEP> leaves.
<tb>
The <SEP> new <SEP> condensation product <SEP> corresponds to <SEP> the <SEP> furnace
EMI0001.0003
EMI0001.0004
<SEP> <I> I </I> use <SEP> <SEP> in <SEP> inaccurate <SEP> solutions <SEP> of
<tb> Etching chemicals <SEP> and <SEP> become <SEP> from it <SEP> by <SEP> acidification
<tb> failed; <SEP> from <SEP> chlorobenzene <SEP> dissolved, <SEP> melts
<tb> es <SEP> at <SEP> 258. <SEP> It <SEP> couples <SEP> with <SEP> diazo connections <SEP> under <SEP> formation <SEP> of <SEP> azo dyes.
<tb>
<I> Example: </I>
<tb> 166 <SEP> parts <SEP> 1,2-dionethyl-4-oxybenzene-5-carboxylic acid <SEP> and <SEP> 194 <SEP> parts <SEP> 2-amino-6-ethoxybenzthiazine <SEP> are <SEP> > with <SEP> 1000 <SEP> parts <SEP> chlorobenzene <SEP> heated to <SEP> 75 <SEP>. <SEP> In <SEP> this <SEP> mixture
EMI0001.0005
are <SEP> in. <SEP> Course <SEP> of one <SEP> hour <SEP> 69 <SEP> parts
<tb> phosphorus chloride <SEP> .drops <SEP> and <SEP> on it
<tb> heated to <SEP> boiling <SEP>, <SEP> to <SEP> no more <SEP> hydrochloric acid <SEP>
<tb> is being developed <SEP>. <SEP> After <SEP> the <SEP> cooling down <SEP> becomes.
<tb>, the <SEP> excreted <SEP> condensation product
<tb> filter rh.
<SEP> If <SEP> any <SEP> adhering <SEP> solvent <SEP> becomes <SEP> in <SEP> presence <SEP> of <SEP> excess
<tb> Sodium acetate <SEP> blown off with <SEP> steam <SEP>;
<tb> then <SEP> <SEP> the <SEP> condensation product <SEP> is removed, filtered, <SEP> washed with <SEP> Waissier <SEP> <SEP> and <SEP> ige; dries.
<tb>
The <SEP> chlorobenzoil <SEP> can <SEP> with <SEP> other <SEP> solvents, <SEP> such as <SEP> toluene <SEP> or <SEP> dimethylanfin,
<tb> will be replaced by <SEP>. <SEP> Stritt <SEP> Pho @ spho @ rtrichlorid <SEP> can
<tb> for the <SEP> example <SEP> phosphorus oxychloride, <SEP> thionyl
<tb> ch-larid <SEP> or <SEP> silicon tetrachloride <SEP> are used
<tb> be.
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH230417T | 1941-02-06 | ||
CH225557T | 1943-02-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH230417A true CH230417A (en) | 1943-12-31 |
Family
ID=25726905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH230417D CH230417A (en) | 1941-02-06 | 1941-02-06 | Process for the production of a new condensation product. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH230417A (en) |
-
1941
- 1941-02-06 CH CH230417D patent/CH230417A/en unknown
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