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Synthesis of some new pyrazolo[1,5-a]pyrimidine, pyrazolo[5,1-c]triazine, 1,3,4-thiadiazole and pyridine derivatives containing 1,2,3-triazole moiety

Abdelriheem, Nadia A. ; Zaki, Yasser H. ; Abdelhamid, Abdou O.

BMC chemistry, 2017-06, Vol.11 (1), p.53-53, Article 53 [Revista revisada por pares]

Cham: Springer International Publishing

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  • Título:
    Synthesis of some new pyrazolo[1,5-a]pyrimidine, pyrazolo[5,1-c]triazine, 1,3,4-thiadiazole and pyridine derivatives containing 1,2,3-triazole moiety
  • Autor: Abdelriheem, Nadia A. ; Zaki, Yasser H. ; Abdelhamid, Abdou O.
  • Materias: 1,2,3-Triazole ; 1,3,4-Thiadiazoles ; Amines ; Analysis ; Cell division ; Chemical compounds ; Chemical properties ; Chemical synthesis ; Chemistry ; Chemistry and Materials Science ; Chemistry/Food Science ; Chlorides ; Heterocyclic amines ; Hyrazonoyl chlorides ; Ketenes ; Ketones ; Organic and Medicinal Chemistry ; Pyrazolo[1,5-a]pyrimidines ; Pyrazolo[5,1-c]triazines ; Pyridine ; Pyridines ; Pyrimidines ; Research Article ; Thiadiazoles ; Thieno[2,3-b]pyridines ; Triazoles
  • Es parte de: BMC chemistry, 2017-06, Vol.11 (1), p.53-53, Article 53
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descripción: Background Pyrazolo[1,5- a ]pyrimidines are purine analogues. They have beneficial properties as antimetabolites in purine biochemical reactions. This division compounds have attracted wide pharmaceutical interest because of their antitrypanosomal activity. Results The present work depicts an effective synthesis convention of pyrazolo[1,5- a ]pyrimidines, pyrazolo[5,1- c ]triazines, thieno[2,3- b ]pyridines and polysubstituted pyridines containing 1,2,3,-triazole moiety from the reaction of sodium 3-(5-methyl-1-( p -toly)-1 H -1,2,3-triazol-4-yl)-3-oxoprop-1-en-1-olate with the fitting heterocyclic amines and its diazonium salt, and active methylene compounds, individually. Likewise, thiazoles and, 1,3,4-thiadiazoles were obtained from 2-bromo-1-(5-methyl-1-( p -tolyl)-1 H -1,2,3-triazol-4-yl)ethanone and some reagent such as hydrazonoyl chlorides and halo ketones. The newly synthesized compounds were established by elemental analysis, spectral data, and alternative synthetic route whenever possible. Conclusions New series of pyrazolo[1,5- a ]pyrimidines, pyrazolo[5,1- c ]triazines, thieno[2,3- b ]pyridines and polysubstituted pyridines containing the 1,2,3,-triazole moiety were synthesized via reactions of sodium 3-(5-methyl-1-( p -toly)-1 H -1,2,3-triazol-4-yl)-3-oxoprop-1-en-1-olate with the appropriate heterocyclic amines and its diazonium salt. In addition, 1,3,4-thiadiazoles and, 1,3-thiazoles were acquired in a decent yield via the reaction of substituted thiourea with the appropriate hydrazonoyl chlorides and halogenated ketenes. Graphical abstract Synthesis of some new pyrazolo[1,5- a ]pyrimidines, pyrazolo[5,1- c ]triazines and thieno[2,3- b ]pyridines.
  • Editor: Cham: Springer International Publishing
  • Idioma: Inglés
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