AT101680B - Process for the preparation of a compound from diethylbarbituric acid and 4-dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone. - Google Patents

Process for the preparation of a compound from diethylbarbituric acid and 4-dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone.

Info

Publication number
AT101680B
AT101680B AT101680DA AT101680B AT 101680 B AT101680 B AT 101680B AT 101680D A AT101680D A AT 101680DA AT 101680 B AT101680 B AT 101680B
Authority
AT
Austria
Prior art keywords
compound
dimethylamino
dimethyl
phenyl
pyrazolone
Prior art date
Application number
Other languages
German (de)
Inventor
Paul Dr Pfeiffer
Original Assignee
Paul Dr Pfeiffer
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 Paul Dr Pfeiffer filed Critical Paul Dr Pfeiffer
Application granted granted Critical
Publication of AT101680B publication Critical patent/AT101680B/en

Links

Landscapes

  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



  Verfahren zur Darstellung einer Verbindung aus Diäthylbarbitursäure und 4-Di- methylamino-2,3-dimethyl-1-phenyl-5-pyrazolon. 
 EMI1.1 
 

 <Desc/Clms Page number 2> 

 Analgetiknm Verwendung finden soll, ist in Wasser klar löslich. Durch Benzol wird sie zersetzt, indem   sich Diäthylbarbitursäure   abscheidet und 4-Dimethylamino-2,3-dimethyl-1-phenyl-5- - pyrazolon in Lösung geht. Die Analyse ergab folgende Werte : 
 EMI2.1 
 
<tb> 
<tb> Berechnet <SEP> für <SEP> C8 <SEP> H12 <SEP> O3 <SEP> N2, <SEP> C12 <SEP> H17 <SEP> ON2: <SEP> Gefunden:
<tb> C=60#72% <SEP> .............. <SEP> 60#80%
<tb> H=7#03%................ <SEP> 7#17%
<tb> N=16#86%............... <SEP> 17#02%
<tb> 
 
PATENT-ANSPRÜCHE :
1.

   Verfahren zur Darstellung einer Verbindung aus Diäthylbarbitursäure und 4-Dimethylamino-2.   3-dimethyl-l-phenyl-5-pyTazolon,   dadurch gekennzeichnet, dass man eine Lösung der Ausgangsstoffe, vorzugsweise bei einem Überschuss an   4-Dimethylamino-2.     3-dimethyl-l-phenyl-     -.)-pyrazolen,   in   der Wärme möglichst weit   einengt und dann erkalten lässt.



   <Desc / Clms Page number 1>
 



  Process for the preparation of a compound from diethylbarbituric acid and 4-dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone.
 EMI1.1
 

 <Desc / Clms Page number 2>

 Analgesic is to be used, is clearly soluble in water. It is decomposed by benzene in that diethylbarbituric acid separates out and 4-dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone goes into solution. The analysis resulted in the following values:
 EMI2.1
 
<tb>
<tb> Calculates <SEP> for <SEP> C8 <SEP> H12 <SEP> O3 <SEP> N2, <SEP> C12 <SEP> H17 <SEP> ON2: <SEP> Found:
<tb> C = 60 # 72% <SEP> .............. <SEP> 60 # 80%
<tb> H = 7 # 03% ................ <SEP> 7 # 17%
<tb> N = 16 # 86% ............... <SEP> 17 # 02%
<tb>
 
PATENT CLAIMS:
1.

   Process for the preparation of a compound from diethylbarbituric acid and 4-dimethylamino-2. 3-dimethyl-1-phenyl-5-pyTazolone, characterized in that a solution of the starting materials, preferably with an excess of 4-dimethylamino-2. 3-dimethyl-l-phenyl- -.) - pyrazoles, restricts the heat as much as possible and then lets it cool down.

Claims (1)

2. Verfahren nach Anspruch l, dadurch gekennzeichnet, dass man die beim Kristallisieren. der Verbindung verbleibende Mutterlauge als Lösungsmittel für die Ausgangsstoffe benutzt. 2. The method according to claim l, characterized in that the during crystallization. the compound remaining mother liquor used as a solvent for the starting materials. 3. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass man in den Mutterlaugen so viel von den Ausgangsstoffen im Verhältnis 1 : 1 in der Wärme löst, als in Form der Verbindung auskristallisiert ist. 3. The method according to claim 2, characterized in that as much of the starting materials in the ratio of 1: 1 is dissolved in the mother liquor in the heat as has crystallized out in the form of the compound.
AT101680D 1924-03-27 1924-03-27 Process for the preparation of a compound from diethylbarbituric acid and 4-dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone. AT101680B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT101680T 1924-03-27

Publications (1)

Publication Number Publication Date
AT101680B true AT101680B (en) 1925-11-25

Family

ID=3620365

Family Applications (1)

Application Number Title Priority Date Filing Date
AT101680D AT101680B (en) 1924-03-27 1924-03-27 Process for the preparation of a compound from diethylbarbituric acid and 4-dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone.

Country Status (1)

Country Link
AT (1) AT101680B (en)

Similar Documents

Publication Publication Date Title
AT101680B (en) Process for the preparation of a compound from diethylbarbituric acid and 4-dimethylamino-2,3-dimethyl-1-phenyl-5-pyrazolone.
AT107314B (en) Process for the synthetic production of ammonia from the elements.
DE913769C (en) Process for the production of orthosilicic acid esters
DE952811C (en) Process for the production of ditetrazole or its salts
AT114018B (en) Process for the preparation of ethylidene diacetate.
DE499523C (en) Process for the production of ª ‡ -oxy acids from their nitriles
AT99415B (en) Process for the production of condensation products from urea or its derivatives and formaldehyde.
CH409998A (en) Process for the isolation of N, O-dimethylhydroxylamine
DE965407C (en) Process for the production of monomeric organic sulfur compounds
AT123851B (en) Process for the preparation of monooxy-ω-alkylaminoacetophenones.
AT108778B (en) Process for separating zirconium and hafnium.
AT158301B (en) Process for the production of vitamin B1.
AT163629B (en) Process for the production of new imidazolines
DE727203C (en) Process for the production of condensation products from acid amides, formaldehyde and amino compounds
AT206085B (en) Detergents for fine and coarse laundry and processes for their manufacture
AT108545B (en) Method for the preparation of codeinone.
AT95700B (en) Process for converting such metals and alloys, which are not or only slowly dissolved by sulfuric acid, into the corresponding sulfates using nitric acid.
AT137306B (en) Production and separation of sodium nitrate and ammonium chloride.
AT128350B (en) Process for the preparation of low-electrolyte aqueous solutions of silk fibroin.
DE432420C (en) Process for the preparation of N-methylsulphurous acid salts of secondary amines
AT205482B (en) Process for the preparation of new compounds of the bicycloheptane series
AT93743B (en) Process for the production of oils, varnishes, oil varnishes, pastes containing oils and of putties.
AT153694B (en) Process for the production of ammonium persulphate from solutions by crystallization.
AT136012B (en) Process for the preparation or regeneration of catalysts for the conversion of terpenes.
DE615527C (en) Process for the production of trimethylamine