ES8300100A1 - Procedimiento para la obtencion de 1,2,4-triazol - Google Patents

Procedimiento para la obtencion de 1,2,4-triazol

Info

Publication number
ES8300100A1
ES8300100A1 ES503700A ES503700A ES8300100A1 ES 8300100 A1 ES8300100 A1 ES 8300100A1 ES 503700 A ES503700 A ES 503700A ES 503700 A ES503700 A ES 503700A ES 8300100 A1 ES8300100 A1 ES 8300100A1
Authority
ES
Spain
Prior art keywords
triazole
preparation
hydrazine
formamide
metered
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
ES503700A
Other languages
English (en)
Other versions
ES503700A0 (es
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.)
Patheon Austria GmbH and Co KG
Original Assignee
Chemie Linz 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3551830&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES8300100(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Chemie Linz AG filed Critical Chemie Linz AG
Publication of ES8300100A1 publication Critical patent/ES8300100A1/es
Publication of ES503700A0 publication Critical patent/ES503700A0/es
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
    • C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

PROCEDIMIENTO PARA 1 OBTENCION DE 1,2,4-TRIAZOL. CONSISTE EN HACER REACCIONAR LA HIDRAZINA Y LA FORMAMIDA A TEMPERATURA ELEVADA Y EN UNA PROPORCION MOLAR DE FORMAMIDA-HIDRAZINA DE AL MENOS 2:1. LA HIDRAZINA SE DOSIFICA COMO TAL O EN FORMA DE SU HIDRATO; DICHA HIDRAZINA SE CALIENTA PREVIAMENTE A UNA TEMPERATURA COMPRENDIDA ENTRE 160 Y 200GC, DURANTE LA DOSIFICACION, LA TEMPERATURA SE MANTIENE EN DICHO MARGEN, COMPLETANDOSE LA REACCION A 160-240GC. LA HIDRAZINA SE DOSIFICA EN LAS PROXIMIDADES DEL FONDO DE LA FORMAMIDA CALENTADA A TEMPERATURA DE REACCION QUE SE ENCUENTRA EN EL RECIPIENTE DE REACCION BAJO UNA SOBREPRESION SUFICIENTE PARA VENCER LA PRESION HIDROESTATICA EXISTENTE SOBRE LA ZONA DE ENTRADA DE LA HIDRAZINA. S
ES503700A 1980-07-07 1981-07-06 Procedimiento para la obtencion de 1,2,4-triazol Granted ES503700A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0353380A AT369736B (de) 1980-07-07 1980-07-07 Verfahren zur herstellung von 1,2,4-triazol

Publications (2)

Publication Number Publication Date
ES8300100A1 true ES8300100A1 (es) 1982-10-01
ES503700A0 ES503700A0 (es) 1982-10-01

Family

ID=3551830

Family Applications (1)

Application Number Title Priority Date Filing Date
ES503700A Granted ES503700A0 (es) 1980-07-07 1981-07-06 Procedimiento para la obtencion de 1,2,4-triazol

Country Status (8)

Country Link
US (1) US4390704A (es)
EP (1) EP0044438B2 (es)
JP (1) JPS5781473A (es)
AT (1) AT369736B (es)
CA (1) CA1156662A (es)
DE (1) DE3161422D1 (es)
DK (1) DK157365C (es)
ES (1) ES503700A0 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2521558A1 (fr) * 1982-02-18 1983-08-19 Nehezvegyipari Kutato Intezet Procede pour la preparation de 1, 2, 4-triazole
US4490539A (en) * 1982-06-22 1984-12-25 Nehezvegyipari Kutato Intezet Process for the preparation of 1,2,4-triazole
HU195790B (en) * 1983-12-21 1988-07-28 Alkaloida Vegyeszeti Gyar Process for producing 1,2,4-triazol
DE69934544T2 (de) * 1998-05-12 2007-04-26 Mitsubishi Gas Chemical Co., Inc. Verfahren zur Herstellung von 1,2,4-Triazolen ausgehend von Ketazinen
KR100327818B1 (ko) * 1999-04-16 2002-03-09 윤재승 플루코나졸의 제조방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT3500B (es) * 1900-06-14 1901-02-25 Gustav Goebel
LU61617A1 (es) * 1969-09-03 1970-12-01
DE2802491B2 (de) * 1978-01-20 1980-10-30 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von 1,2,4-Triazol
US4267347A (en) * 1979-11-07 1981-05-12 Ciba-Geigy Corporation Method for direct preparation for 1,2,4-triazole from hydrazine and formamide

Also Published As

Publication number Publication date
EP0044438A2 (de) 1982-01-27
EP0044438B2 (de) 1987-01-21
JPS5781473A (en) 1982-05-21
US4390704A (en) 1983-06-28
EP0044438B1 (de) 1983-11-16
EP0044438A3 (en) 1982-02-10
DK157365B (da) 1989-12-27
DK294981A (da) 1982-01-08
DK157365C (da) 1990-05-21
AT369736B (de) 1983-01-25
DE3161422D1 (en) 1983-12-22
ES503700A0 (es) 1982-10-01
CA1156662A (en) 1983-11-08
ATA353380A (de) 1982-06-15

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970519