MD613G2 - Procedeu de obţinere a 2-mercapto-1,3,4-oxadiazolilor - Google Patents

Procedeu de obţinere a 2-mercapto-1,3,4-oxadiazolilor

Info

Publication number
MD613G2
MD613G2 MD94-0051A MD940051A MD613G2 MD 613 G2 MD613 G2 MD 613G2 MD 940051 A MD940051 A MD 940051A MD 613 G2 MD613 G2 MD 613G2
Authority
MD
Moldova
Prior art keywords
oxadiasols
mercapto
preparation
tetramethylthiuram
sulphide
Prior art date
Application number
MD94-0051A
Other languages
English (en)
Russian (ru)
Other versions
MD940051A (ro
MD613F1 (ro
Inventor
Якоб ГУЦУ
Ghenadii Rusu
Никанор БАРБЭ
Original Assignee
Государственный Университет Молд0
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 Государственный Университет Молд0 filed Critical Государственный Университет Молд0
Priority to MD94-0051A priority Critical patent/MD613G2/ro
Publication of MD940051A publication Critical patent/MD940051A/ro
Publication of MD613F1 publication Critical patent/MD613F1/ro
Publication of MD613G2 publication Critical patent/MD613G2/ro

Links

Landscapes

  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

Invenţia se referă la un procedeu de obţinere a 2-mercapto-1,3,4-oxadiazolilor cu formula generală Iîn care R reprezintă un radical aromatic ori un radical heterociclic, folosiţi ca fungicide, stabilizatori ai imaginilor fotografice etc.Esenţa invenţiei constă în aceea că procedeul de obţinere a 2-mercapto-1,3,4-oxadiazolilor constă în încălzirea hidrazidelor acizilor aromatici ori heterociclici cu un agent cu conţinut de sulf, în acest caz tratarea hidrazidelor corespunzătoare cu disulfură de tetrametiltiuram (DTMT) se efectuează în raportul molar de 2: (1 - 1,3).Rezultatul tehnic al invenţiei constă în utilizarea disulfurii de tetrametiltiuram în calitate de agent pentru ciclizare, ce a făcut posibilă accelerarea reacţiei, mărirea randamentului compuşilor cu 20-30% şi micşorarea de 10-15 ori a timpului necesar pentru reacţie.
MD94-0051A 1994-02-24 1994-02-24 Procedeu de obţinere a 2-mercapto-1,3,4-oxadiazolilor MD613G2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MD94-0051A MD613G2 (ro) 1994-02-24 1994-02-24 Procedeu de obţinere a 2-mercapto-1,3,4-oxadiazolilor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MD94-0051A MD613G2 (ro) 1994-02-24 1994-02-24 Procedeu de obţinere a 2-mercapto-1,3,4-oxadiazolilor

Publications (3)

Publication Number Publication Date
MD940051A MD940051A (ro) 1995-08-31
MD613F1 MD613F1 (ro) 1996-11-29
MD613G2 true MD613G2 (ro) 1997-06-30

Family

ID=19738527

Family Applications (1)

Application Number Title Priority Date Filing Date
MD94-0051A MD613G2 (ro) 1994-02-24 1994-02-24 Procedeu de obţinere a 2-mercapto-1,3,4-oxadiazolilor

Country Status (1)

Country Link
MD (1) MD613G2 (ro)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD4077C1 (ro) * 2010-01-18 2011-07-31 Государственный Университет Молд0 Procedeul de obţinere a acizilor N, N-dimetiltioureidobenzoici
MD4118C1 (ro) * 2010-09-02 2012-02-29 Институт Химии Академии Наук Молдовы Compuşi 1,3,4-oxadiazolici conţinând tiouree disubstituită, ce manifestă proprietăţi antituberculoase
MD4125C1 (ro) * 2010-09-17 2012-03-31 Inst De Chimie Al Academiei De Stiinte A Moldovei Compuşi 1,3,4-oxadiazolici cu proprietăţi antituberculoase conţinând tiouree monosubstituită

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Fukuda Hirauki J.Chem.Soc. Jap. and Ind. Chem., 1976, nr.2, p. 315. *
Wilder Smith A.E. Arzneim Forsch, 1967, v. 17, p. 1150. *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD4077C1 (ro) * 2010-01-18 2011-07-31 Государственный Университет Молд0 Procedeul de obţinere a acizilor N, N-dimetiltioureidobenzoici
MD4118C1 (ro) * 2010-09-02 2012-02-29 Институт Химии Академии Наук Молдовы Compuşi 1,3,4-oxadiazolici conţinând tiouree disubstituită, ce manifestă proprietăţi antituberculoase
MD4125C1 (ro) * 2010-09-17 2012-03-31 Inst De Chimie Al Academiei De Stiinte A Moldovei Compuşi 1,3,4-oxadiazolici cu proprietăţi antituberculoase conţinând tiouree monosubstituită

Also Published As

Publication number Publication date
MD940051A (ro) 1995-08-31
MD613F1 (ro) 1996-11-29

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Legal Events

Date Code Title Description
FG3A Granted patent for invention
IF99 Valid patent on 19990615

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