DE117005C - - Google Patents
Info
- Publication number
- DE117005C DE117005C DENDAT117005D DE117005DA DE117005C DE 117005 C DE117005 C DE 117005C DE NDAT117005 D DENDAT117005 D DE NDAT117005D DE 117005D A DE117005D A DE 117005DA DE 117005 C DE117005 C DE 117005C
- Authority
- DE
- Germany
- Prior art keywords
- dicyanohydroquinone
- water
- substance
- solution
- dicyanhydroquinone
- 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.)
- Active
Links
- MPAIWVOBMLSHQA-UHFFFAOYSA-N 3,6-dihydroxybenzene-1,2-dicarbonitrile Chemical compound OC1=CC=C(O)C(C#N)=C1C#N MPAIWVOBMLSHQA-UHFFFAOYSA-N 0.000 claims description 5
- LELOWRISYMNNSU-UHFFFAOYSA-N Hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims description 5
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-Benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N benzohydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K Iron(III) chloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 240000000358 Viola adunca Species 0.000 description 1
- 235000005811 Viola adunca Nutrition 0.000 description 1
- 235000013487 Viola odorata Nutrition 0.000 description 1
- 235000002254 Viola papilionacea Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000005712 crystallization Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000001264 neutralization Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
M 117005 KLASSE i2q. M 117005 CLASS i2q.
Durch Einwirkung nascirender Blausäure auf Benzochinon wird Dicyanhydrochinon neben Hydrochinon gebildet, indem 2 Molecule der Blausäure mit 2 Molecülen des Chinons in Reaction treten. Das Dicyanhydrochinon entsteht dabei im Sinne der Gleichung:By the action of nascent hydrocyanic acid on benzoquinone, dicyanohydroquinone is added Hydroquinone is formed by reacting 2 molecules of hydrogen cyanide with 2 molecules of quinone step. The dicyanhydroquinone is created in the sense of the equation:
OHOH
2C6U4O2 + 2HCN = 2C 6 U 4 O 2 + 2HCN =
OHOH
j
OH. j
OH.
2 kg Chinon werden unter Zugabe von 2,5 1 Schwefelsäure mit circa 60 1 Alkohol in Lösung gebracht. Zu dieser Lösung wird bei gewöhnlicher Temperatur eine concentrate Lösung von Cyankalium bis zur schwach alkalischen Reaction zugegeben. Die Flüssigkeit fiuorescirt jetzt grün. Es wird nun mit Mineralsäure wieder angesäuert, mit Wasser verdünnt und ausgeäthert. Der beim Abdestilliren des Aethers hinterbleibende Rückstand wird mit Wasser versetzt. Dabei fällt das Dicyanhydrochinon in Form bräunlicher Blättchen aus. Durch Umkrystallisiren aus Wasser unter Zusatz von Thierkohle wird die Substanz in schwach gelblich gefärbten Nadeln erhalten, denen die Formel2 kg of quinone are dissolved with the addition of 2.5 l of sulfuric acid with about 60 l of alcohol brought. A concentrate solution of Potassium cyan added until the reaction is weakly alkaline. The liquid fluoresces now green. It is now acidified again with mineral acid, diluted with water and etherified. The residue remaining when the ether is distilled off is mixed with water offset. The dicyanohydroquinone precipitates in the form of brownish flakes. By Crystallization from water with the addition of animal charcoal turns the substance into a weak substance yellowish colored needles, which the formula
zukommt. Die Ausbeute an Dicyanhydrochinon ist recht gut. Die Substanz ist fast unlöslich in kaltem Wasser, leicht löslich in heifsem, sehr leicht löslich in Alkohol. Die neutrale wässerige Lösung des Körpers fiuorescirt blau, die saure violett, die gelb gefärbte alkalische sehr intensiv grün. Eisenchlorid färbt die wässerige Lösung intensiv blauviolett.comes to. The yield of dicyanohydroquinone is quite good. The substance is almost insoluble in cold water, easily soluble in hot water, very easily soluble in alcohol. The neutral one The aqueous solution of the body fluoresces blue, the acidic solution violet, the yellow alkaline solution very intense green. Ferric chloride gives the aqueous solution an intense blue-violet color.
Das Dicyanhydrochinon ist zu einer Reihe interessanter Reactionen befähigt, so geht es z. B. beim Erwärmen mit concentrirter Schwefelsäure in das p-Dioxyphtalimid der FormelThe dicyanohydroquinone is capable of a number of interesting reactions, so it goes z. B. when heated with concentrated sulfuric acid into the p-dioxyphthalimide of the formula
CO/CO /
+ 3 H, O + 3 H, O
über.above.
Das Dicyanhydrochinon soll zur Darstellung von Zwischenproducten für die Farbenfabrikation, sowie als pharmaceutisches Product Verwendung finden.The dicyanhydroquinone is intended to represent intermediate products for paint production, as well as a pharmaceutical product use.
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE117005C true DE117005C (en) |
Family
ID=386306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT117005D Active DE117005C (en) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE117005C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6402214B1 (en) * | 2000-09-11 | 2002-06-11 | David A. Weiner | Holder for chopstick pair |
-
0
- DE DENDAT117005D patent/DE117005C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6402214B1 (en) * | 2000-09-11 | 2002-06-11 | David A. Weiner | Holder for chopstick pair |
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