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DE497097C - Process for the preparation of amino acid amides - Google Patents

Process for the preparation of amino acid amides

Info

Publication number
DE497097C
DE497097C DEC38112D DEC0038112D DE497097C DE 497097 C DE497097 C DE 497097C DE C38112 D DEC38112 D DE C38112D DE C0038112 D DEC0038112 D DE C0038112D DE 497097 C DE497097 C DE 497097C
Authority
DE
Germany
Prior art keywords
parts
amino acid
preparation
acid amides
iodophosphonium
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
DEC38112D
Other languages
German (de)
Inventor
Dr Karl Thomas
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.)
Schering Kahlbaum AG
Original Assignee
Schering Kahlbaum 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 Schering Kahlbaum AG filed Critical Schering Kahlbaum AG
Priority to DEC38112D priority Critical patent/DE497097C/en
Application granted granted Critical
Publication of DE497097C publication Critical patent/DE497097C/en
Expired legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K1/00General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
    • C07K1/06General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length using protecting groups or activating agents
    • C07K1/08General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length using protecting groups or activating agents using activating agents
    • C07K1/086General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length using protecting groups or activating agents using activating agents containing sulfur
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K1/00General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
    • C07K1/06General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length using protecting groups or activating agents
    • C07K1/08General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length using protecting groups or activating agents using activating agents
    • C07K1/082General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length using protecting groups or activating agents using activating agents containing phosphorus
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K1/00General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
    • C07K1/06General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length using protecting groups or activating agents
    • C07K1/08General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length using protecting groups or activating agents using activating agents
    • C07K1/088General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length using protecting groups or activating agents using activating agents containing other elements, e.g. B, Si, As

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Biophysics (AREA)
  • Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Analytical Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

Verfahren zur Darstellung von Aminosäureamiden Unterwirft man Säureamide der Behandlung mit Mineralsäuren, z. B. Halogenwasserstoffsäuren, so tritt unter Rückbildung von Säure und Atnmonial;derivat Hydrolyse auf, eine Reaktion, die praktisch zur Hydrolyse von Eiweißkörpern Verwendung findet. Infolge der Instabilität der Säureamidbindung ist man nicht in der Lage, Acylderivate der Sättreamide von ihrem Acyl zu befreien, ohne auch die Säureamidbindung zu lösen. Dies gilt für jede Art Acyle, aliphatische, aromatische, halogensubstituierte oder Sttlfonylderiv ate.Process for the preparation of amino acid amides One submits to acid amides treatment with mineral acids, e.g. B. hydrohalic acids, it occurs below Regression of acid and atmospheric; derivative hydrolysis on, a reaction which is practical for the hydrolysis of protein bodies is used. As a result of the instability of the Acid amide bond one is unable to obtain acyl derivatives of the saturation side from their To free acyl without also breaking the acid amide bond. This applies to every species Acyl, aliphatic, aromatic, halogen-substituted or Sttlfonylderiv ate.

Aus den Arbeiten . Emil Fischers (Band 48 [igi5] S. 368) ist bekannt, daß es durch Reduktion mit konzentriertem Jodwasserstoff gelingt, sulfonylierte Aminogruppen von dem Substituenten zu befreien.From the work. Emil Fischers (Volume 48 [igi5] p. 368) is known that it succeeds by reduction with concentrated hydrogen iodide, sulfonylated To free amino groups from the substituent.

Es wurde nun gefunden, daß Säureamidbindungen völlig beständig gegen jodwasserstoffsäure sind, während sie durch Chlor-und Bromwasserstoffsäure hydrolysiert werden. 'Man ist so in die Lage versetzt, aus sulfonylierten Säureatnidderivaten ohne Lösung der Säureamidbindung den Acylrest zu entfernen. Auf diese Weise kann man zu Arzneimitteln gelangen, die bisher der Synthese nicht zugänglich sind.It has now been found that acid amide bonds are completely resistant to are hydroiodic acid while hydrolyzed by hydrochloric and hydrobromic acid will. 'One is thus able to make sulfonylated acid nide derivatives to remove the acyl residue without dissolving the acid amide bond. That way you can one arrives at drugs that have not been synthesized up to now.

Um an Jodwasserstoff zu sparen, setzt man zweckmäßig jodphosphonium zu. Beispiel 6 Teile Toluolsulfogly cylglycin (H o p p e -S e y 1 e r, Zeitschr. f. physiol. Chemie, Band 154, S. 2io) werden mit 6o Teilen Jodwasserstoff (r,96) und 5 Teilen Jodphosphonium auf 55° unter Schütteln etwa 5bis6 Stunden erhitzt. Das Reaktionsprodukt wird nach Entfernen des Tolylmercaptans vom Jod befreit und eingedampft. Das Glycylglycin wird in nahezu theoretischer Ausbeute gewonnen. Beispiel e 87 Teile Toluolsulfoglycyl - d, i - alanin (Hoppe - S e y 1 e r , Zeitschr. f. physiol. Chemie, Band 154, S. 211) mit iooo Teilen Jodwasserstoff und 8o Teilen Jodphosphonium auf die gleiche Weise behandelt, geben nach dem Aufarbeiten 9o Prozent der Theorie Glycyl-d, i-alanin. Beispiel 3 45 Teile Toluolsulfoglycy l - d, i - leucin (Hoppe - S e y 1 e r , Zeitschr. f. phy siol. Chemie, Band 154, S. 212) mit 4o Teilen Jodphosphonium in 5oo Teilen Jodwasserstoff sättre geben etwa 9o Prozent der Theorie Glycyl-d, i-leucin. Beispiel 8 Teile -Toluolsulfod - d - alanyl - i - leucin (H o p p e - S e v 1 e r , Zeitschr. f. physiol. Chemie, Band y1 5q., S. 21q.) mit 8o Teilen Jodwasserstoff und 8 Teilen Jodphosphoniüm umgesetzt, geben das d-Alanyl-i-leucin. -Nach der gleichen Methode lassen sich cl, i-Leucylglycin, d, 1 Alanylglycin und andere Derivate herstellen. Statt von Toluolsulfoverbindungen kann man auch von Benzols.ulfov erhindungen ausgehen, doch ist die Toluolsulfogruppe aus wirtschaftlichen Gründen vorzuziehen. Beispiel s 4,6 Teile Äthansulfoglycylglycin (gewonnen durch Umsetzen von Äthansulfochlori,cl mit Glykokoll, Umwandlung des Äthansulfoglycins in das Säurechlorid mittels Thionylchlorids und Umsetzen des Säurechlorids mit Glykokoll) werden mit 6o Teilen Jodwasserstoff (1,g6)- und 5 Teilen Jodpliosphonitun schwach unter Schütteln einige Stunden erwärmt. Man erhält das GlvcN>1-gllycin in über goprozentiger Ausbeute. w Der Zusatz von Jodphosphonium kann unterbleiben, wenn keine Gefahr besteht, daß das bei der Reaktion frei werdende Jod unter den Reaktionsbedingungen die Base selbst verändert. . Statt des Jodphosphoniums kann mit dem gleichen Erfolg auch roter Phosphor zugesetzt werden. Die Reaktion läuft auch ohne diesen "Zusatz in der gleichen Weise ab.In order to save on hydrogen iodide, it is advisable to add iodophosphonium. EXAMPLE 6 parts of toluenesulfoglycylglycine (Hoppe-Seyer, Zeitschr. F. Physiol. Chemie, Volume 154, p. 2io) are mixed with 60 parts of hydrogen iodide (r, 96) and 5 parts of iodophosphonium to 55 ° with shaking about 5 to 6 parts Heated for hours. After removing the tolyl mercaptan, the reaction product is freed from iodine and evaporated. The glycylglycine is obtained in almost theoretical yield. Example e 87 parts of toluenesulfoglycyl-d, i-alanine (Hoppe-S ey 1 er, Zeitschr. F. Physiol. Chemie, Volume 154, p. 211) treated in the same way with 1000 parts of hydrogen iodide and 80 parts of iodophosphonium give way working up 90 percent of the theory of glycyl-d, i-alanine. Example 3 45 parts of toluenesulfoglycy 1 - d, i - leucine (Hoppe - S ey 1 er, Zeitschr. F. Phy siol. Chemie, Volume 154, p. 212) with 40 parts of iodophosphonium in 500 parts of hydrogen iodide give about 90 percent of the saturation Theory glycyl-d, i-leucine. Example 8 parts of toluenesulfod-d-alanyl-i-leucine (Hoppe-S ev 1 er, Zeitschr. F. Physiol. Chemie, Volume y1 5q., P. 21q.) Reacted with 80 parts of hydrogen iodide and 8 parts of iodophosphonium, give the d-alanyl-i-leucine. -The same method can be used to prepare cl, i-leucylglycine, d, 1-alanylglycine and other derivatives. Instead of toluene sulpho compounds, one can also start from benzene sulpho compounds, but the toluene sulpho group is to be preferred for economic reasons. Example s 4.6 parts of ethanesulphoglycylglycine (obtained by reacting ethanesulphochlori, cl with glycocoll, converting ethanesulphoglycine into the acid chloride by means of thionyl chloride and reacting the acid chloride with glycocoll) are weakly reduced with 60 parts of hydrogen iodide (1, g6) and 5 parts of iodophosphonite Shake heated for a few hours. The GlvcN> 1-gllycine is obtained in over 100 percent yield. w The addition of iodophosphonium can be omitted if there is no risk that the iodine released during the reaction will change the base itself under the reaction conditions. . Instead of iodophosphonium, red phosphorus can also be added with the same success. The reaction proceeds in the same way without this addition.

Die nach dem vorliegenden Verfahren dargestellten Aminosäureamide sollen in der medizinischen Diagnostik sowie zur Her stellung neuer Heilmittel Verwendung finden.The amino acid amides prepared by the present process are to be used in medical diagnostics and for the manufacture of new remedies Find.

Claims (1)

PATRNTANSPRUCFI: Verfahren zur Darstellung von Aminosäureamirlen, dadurch gekennzeichnet, daß man auf deren Sulfonylderivate Jodwasserstöff, gegebenenfalls in Gegenwart von Phosplioniumjodid, einwirken läßt.PATRNTANSPRUCFI: Method for the preparation of amino acid amirals, characterized in that, on their sulfonyl derivatives, hydrogen iodine, if appropriate in the presence of phosplionium iodide.
DEC38112D 1926-04-14 1926-04-14 Process for the preparation of amino acid amides Expired DE497097C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEC38112D DE497097C (en) 1926-04-14 1926-04-14 Process for the preparation of amino acid amides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEC38112D DE497097C (en) 1926-04-14 1926-04-14 Process for the preparation of amino acid amides

Publications (1)

Publication Number Publication Date
DE497097C true DE497097C (en) 1930-05-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DEC38112D Expired DE497097C (en) 1926-04-14 1926-04-14 Process for the preparation of amino acid amides

Country Status (1)

Country Link
DE (1) DE497097C (en)

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