DE501389C - Process for the preparation of triaminoguanidine - Google Patents

Process for the preparation of triaminoguanidine

Info

Publication number
DE501389C
DE501389C DEC38676D DEC0038676D DE501389C DE 501389 C DE501389 C DE 501389C DE C38676 D DEC38676 D DE C38676D DE C0038676 D DEC0038676 D DE C0038676D DE 501389 C DE501389 C DE 501389C
Authority
DE
Germany
Prior art keywords
triaminoguanidine
preparation
hydrazine
derivatives
isothiourea
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
DEC38676D
Other languages
German (de)
Inventor
Dr Herbert Schotte
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 DEC38676D priority Critical patent/DE501389C/en
Application granted granted Critical
Publication of DE501389C publication Critical patent/DE501389C/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C281/00—Derivatives of carbonic acid containing functional groups covered by groups C07C269/00 - C07C279/00 in which at least one nitrogen atom of these functional groups is further bound to another nitrogen atom not being part of a nitro or nitroso group
    • C07C281/16—Compounds containing any of the groups, e.g. aminoguanidine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

Verfahren zur Darstellung von Triaminoguanidin in den Patentschriften 455 682 und 462 996 ist ein Verfahren beschrieben, nach dem man durch Einwirkung von Isothiohamstoffäthern auf Amine beliebig substituierte Guanidinabkömmlinge erhält. Unter Mercaptanabspaltung wird der Isothiohamstoffäther bereits bei Zimmertemperatur quantitativ zersetzt. Wählt man als Amin das Hydrazin oder seine Substitutionsprodukte, so erhält man bei Verwendung molekularer Mengen, wie sich aus den obenerwähnten Erfindungen ergibt, di# entsprechenden Aminoguanidinderivate: Es wurde nun gefunden, daß bei Anwendung von überschüssigem Hydrazin oder seiner Substitutionsprodukte die Reaktion nicht bei dieser Stufe stehenbleibt, sondern fortschreitet zum Triaminoguanidin: das auf diese Weise bequem in guter Ausbeute erhalten wird.Process for the preparation of triaminoguanidine in the patents 455 682 and 462 996 a process is described according to which any substituted guanidine derivatives are obtained by the action of isothiourea ethers on amines. With the elimination of mercaptan, the isothiourea ether is already quantitatively decomposed at room temperature. If hydrazine or its substitution products are chosen as the amine, the corresponding aminoguanidine derivatives are obtained when using molecular amounts, as is evident from the inventions mentioned above: It has now been found that when using excess hydrazine or its substitution products, the reaction does not stop at this stage, but progresses to the triaminoguanidine: which is conveniently obtained in this way in good yield.

Das Triaminoguanidin soll als Zwischenprodukt für die Darstellung pharmazeutischer Präparate und für photographische Zwecke Verwendung finden.The triaminoguanidine is said to be an intermediate for the representation pharmaceutical preparations and for photographic purposes.

Beispiel Man läßt 18,5 9 Äthylisothioharnstoffbromhydrat mit 15 g Hydrazin einige Zeit bei Zimmertemperatur stehen oder erwärmt kurze Zeit. Es scheiden sich schöne große, farblose Prismen des Triaminoguanidinbromhydrats vom Schmelzpunkt 2:z6,5' ab.Example is allowed 18.5 9 Äthylisothioharnstoffbromhydrat with 15 g hydrazine some time stand at room temperature or heated briefly. Nice, large, colorless prisms of triaminoguanidine bromohydrate with a melting point of 2: 6.5 'separate.

Beispiel 2 14 9 S-Methylisothioharnstoffsulfat und 15 9 Hydrazin geben das Sulfat des Triaminoguanidins. Das Pikrat schmilzt bei 171'.Example 2 14 9 S-methylisothiourea sulfate and 15 9 hydrazine give the sulfate of triaminoguanidine. The picrate melts at 171 '.

Claims (1)

PATEINTANSPRUCH: Verfahren zur Darstellung von Triaminoguanidin, dadurch gekennzeichnet, daß man auf Isothioharnstoffäther Hydrazin oder dessen Derivate im Überschuß einwirken läßt.CLAIM OF THE PATENT: Process for the preparation of triaminoguanidine, thereby characterized in that hydrazine or its derivatives are based on isothiourea ether lets act in excess.
DEC38676D 1926-09-02 1926-09-02 Process for the preparation of triaminoguanidine Expired DE501389C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEC38676D DE501389C (en) 1926-09-02 1926-09-02 Process for the preparation of triaminoguanidine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEC38676D DE501389C (en) 1926-09-02 1926-09-02 Process for the preparation of triaminoguanidine

Publications (1)

Publication Number Publication Date
DE501389C true DE501389C (en) 1930-07-04

Family

ID=7023399

Family Applications (1)

Application Number Title Priority Date Filing Date
DEC38676D Expired DE501389C (en) 1926-09-02 1926-09-02 Process for the preparation of triaminoguanidine

Country Status (1)

Country Link
DE (1) DE501389C (en)

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