ES8306136A1 - "procedimiento para la preparacion de 2-amino-5-mercapto-1,3,4-tiadiazoles". - Google Patents

"procedimiento para la preparacion de 2-amino-5-mercapto-1,3,4-tiadiazoles".

Info

Publication number
ES8306136A1
ES8306136A1 ES515054A ES515054A ES8306136A1 ES 8306136 A1 ES8306136 A1 ES 8306136A1 ES 515054 A ES515054 A ES 515054A ES 515054 A ES515054 A ES 515054A ES 8306136 A1 ES8306136 A1 ES 8306136A1
Authority
ES
Spain
Prior art keywords
mercapto
thiadiazole
amino
production
thiosemicarbazides
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
ES515054A
Other languages
English (en)
Other versions
ES515054A0 (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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
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 Degussa GmbH filed Critical Degussa GmbH
Publication of ES515054A0 publication Critical patent/ES515054A0/es
Publication of ES8306136A1 publication Critical patent/ES8306136A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01—Five-membered rings
    • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
    • C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
    • C07D285/125—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
    • C07D285/135—Nitrogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE 2-AMINO-5-MERCAPTO-1,3,4-TIADIAZOLES DE FORMULA (I) EN LA QUE R PUEDE SER UNO DE VARIOS TIPOS DE RADICALES. CONSISTE EN LA FORMULA DE TIOSEMICARBAZIDAS DE FORMULA (II), EN LA QUE R TIENE EL MISMO SIGNIFICADO QUE EN LA FORMULA (I), CON SULFURO DE CARBONO EN UNA FASE ACUOSA QUE CONTIENE 15 A 70% DE UNA SAL AMONICA DEL BIS-2,5-MERCAPTO-1,3,4-TIADIAZOL DE FORMULA (III), A UNA TEMPERATURA SUPERIOR A 40 C. ESTOS COMPUESTOS TIENEN APLICACIONES COMO INTERMEDIOS PARA LA SINTESIS DE INHIBIDORES DE LA CORROSION, PRODUCTOS FARMACEUTICOS, PESTICIDAS Y PRODUCTOS PARA FOTOGRAFIA.
ES515054A 1981-08-21 1982-08-17 "procedimiento para la preparacion de 2-amino-5-mercapto-1,3,4-tiadiazoles". Expired ES8306136A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3133096A DE3133096C2 (de) 1981-08-21 1981-08-21 Verfahren zur Herstellung von 2-Amino-5-mercapto-1,3,4-thiadiazolen

Publications (2)

Publication Number Publication Date
ES515054A0 ES515054A0 (es) 1983-05-01
ES8306136A1 true ES8306136A1 (es) 1983-05-01

Family

ID=6139797

Family Applications (1)

Application Number Title Priority Date Filing Date
ES515054A Expired ES8306136A1 (es) 1981-08-21 1982-08-17 "procedimiento para la preparacion de 2-amino-5-mercapto-1,3,4-tiadiazoles".

Country Status (6)

Country Link
US (1) US4492793A (es)
JP (1) JPS5839675A (es)
BR (1) BR8204802A (es)
CA (1) CA1182461A (es)
DE (1) DE3133096C2 (es)
ES (1) ES8306136A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4846984A (en) * 1987-09-18 1989-07-11 Mobil Oil Corporation Lubricant additives derived from aminomercaptothiadiazole and lubricant compositions containing same
US4966688A (en) * 1988-06-23 1990-10-30 Phillips Petroleum Company Ore flotation employing amino mercaptothiadiazoles
KR100471948B1 (ko) * 1995-12-21 2005-07-07 신젠타 파티서페이션즈 아게 3-아미노-2-머캅토벤조산유도체및이들의제조방법

Also Published As

Publication number Publication date
JPS5839675A (ja) 1983-03-08
US4492793A (en) 1985-01-08
BR8204802A (pt) 1983-08-02
DE3133096A1 (de) 1983-03-03
ES515054A0 (es) 1983-05-01
DE3133096C2 (de) 1985-05-09
CA1182461A (en) 1985-02-12

Similar Documents

Publication Publication Date Title
ES8801923A1 (es) Procedimiento para la preparacion de derivados de pirido- benzotiacina
DE3160408D1 (en) Process for preparing acyl cyanides
GB1535295A (en) Process for producing hydrogen
GB1510603A (en) 2-substituted 5-trifluormethyl-1,3,4-thiadiazoles and their use as fungicides and insecticides
ES456012A1 (es) Un procedimiento para la oxidacion de un compuesto que con- tiene azufre.
ES8306136A1 (es) "procedimiento para la preparacion de 2-amino-5-mercapto-1,3,4-tiadiazoles".
ES8303314A1 (es) "un procedimiento de preparacion de sulfuros organicos".
JPS5219629A (en) Process for preparation of compounds containing molybdenum
ES8403974A1 (es) "procedimiento para la obtencion de metales nobles"
EP0523244A4 (es)
IN165298B (es)
GB1478131A (en) Process for preparing 2-mercaptobenzothiazole
GB1464689A (en) Process for preparing 3-trichloromethyl-5-ethoxy-1,2,4- thiadiazole from trichloroacetonitrile
GB1132621A (en) Process for preparing cephalosporin c antibiotics
ES8104299A1 (es) Un procedimiento para oxidar una penicilina a sulfoxido de penicilina
IE39720L (en) 1, 3, 4-thiadiazoles.
IE40973B1 (en) A thiadiazole derivative
ES463641A1 (es) Procedimiento para la elaboracion de un residuo que contienecromato y vanadato.
NO174047C (no) Fremgangsmåte for fremstilling av 2-carboxypyrazin-4-oxydderivater
GB844946A (en) New 2-(n-substituted)-acylamino-1,3,4-thiadiazole-5-sulfonamides
SE7901832L (sv) Forfarande for framstellning av 3-trihalometyl-5-legre alkoxi-1,2,4-tiadiazoler
GB1443388A (en) Chloro-tert-butyl-1,3,4-thiadiazoleurea herbicides and use to combat unwanted vegetation
GB815188A (en) Thiadiazoles
ES416476A1 (es) Procedimiento para la transformacion de compuestos s-oxido de penicilina en compuestos de desacetoxicefalosporina.
SU582252A1 (ru) Способ получени производных 5-фенацил2,,3-имидазол-2,4-диона