Results 91 to 100 of about 3,168 (197)

Synthesis and biological activity of 5-nitrofuran-containing (1,3,4-thiadiazol-2-yl)piperazine moieties as a new type of anti-Helicobacter pylori heterocycles [PDF]

open access: yesJournal of the Serbian Chemical Society, 2011
In order to find new and potent drug candidates for the treatment of Helicobacter pylori infections‚ in this study attention was focused on the synthesis and anti-H.
ABBAS SHAFIEE   +10 more
doaj  

Synthesis and Biological Activity of 3-(2-Furanyl)-6-Aryl-1,2,4-Triazolo[3,4-b]-1,3,4 –Thiadiazoles

open access: yesMolecules, 2002
3-(2-Furanyl)-4-amino-5-mercapto-1,2,4-triazole (1) was prepared from 2-furoic acid through a multi-step reaction sequence. Compound 1 reacted with aromatic acids in the presence of phosphorus oxychloride to give 3-(2-furanyl)-6-aryl-1,2,4-triazolo[3,4-b]
Zi-Yi Zhang   +6 more
doaj   +1 more source

One- Pot synthesis and reactions of Novel 5-(4-fluoro-phenyl)-3-(8-hydroxyquinolin-5- yl)-7-phenyl-5H-thiazolo[3,2-a]pyrimidine-6- carbonitrile as antimicrobial agents [PDF]

open access: yes, 2018
The synthesis of 5-(4-fluoro-phenyl)-3-(8-hydroxyquinolin-5-yl)-7-phenyl-5H-thiazolo[3,2-a]pyrimidine-6-carbonitrile 4 was achieved by one-potthree-component synthesis using p-TSA (10 mol %) in refluxing CH3CN.
Abdelmohsen, S.A.
core   +1 more source

New derivatives of 2-R1-N-(5-R)-1,3,4-thiadiazol-2-yl-benzolsulfonamides: synthesis, physicochemical properties and biological activity prediction

open access: yesAnnals of Mechnikov's Institute, 2020
Introduction: The analysis of modern literature, including overseas one, showed that a lot of the scientific researches is devoted to finding and creating biologically active compounds on base 1,3,4-thiadiazole.
I Sych, L Perekhoda, Z Іеremina
doaj  

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

open access: yesChemistry Central Journal, 2017
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.
Nadia A. Abdelriheem   +2 more
doaj   +1 more source

Composite Materials with Magnetically Aligned Carbon Nanoparticles Having Enhanced Electrical Properties and Methods of Preparation [PDF]

open access: yes
Magnetically aligned carbon nanoparticle composites have enhanced electrical properties. The composites comprise carbon nanoparticles, a host material, magnetically sensitive nanoparticles and a surfactant.
Hong, Haiping   +2 more
core   +1 more source

Synthesis, Characterisation and Biological Activities of Nitrogen-Sulphur Ligands and Their Transition Metal Complexes [PDF]

open access: yes, 2008
Synthetic compounds, especially those containing heterocyclic ring systems composed of nitrogen and sulphur have been of great interest due to their versatility as medicinal drugs.
Begum, Thahira
core  

Reactions with hydrazonoyl halides 65: Synthesis of some new 1,3,4-thiadiazoles and triazolino[4,3-a]pyrimidines containing pyrazole moiety [PDF]

open access: yes, 2011
2,3-Dihydro-1,3,4-thiadiazoles, and triazolino[4,3-a]pyrimidines containing pyrazole moieties were prepared from the reaction of alkyl 2-[1-(4-cyano-1,5-diphenyl-1H-pyrazol-3-yl)ethylidene]hydrazinecarbodithioate and pyrimidine-2-thione derivatives with ...
Abdelhamid, Abdou Osman   +2 more
core   +1 more source

3-(2-Fluorophenyl)-6-(phenoxymethyl)-1,2,4-triazolo[3,4-b][1,3,4]thiadiazole

open access: yesActa Crystallographica Section E, 2008
The crystal structure of the title compound, C16H11FN4OS, was synthesized in the course of our studies on 1,2,4-triazolo[3,4-b][1,3,4]thiadiazoles as inhibitors of p38 mitogen-activated protein kinase (MAPK). The three-dimensional data obtained were used
Stefan Laufer   +2 more
doaj   +1 more source

Synthesis and Anticancer Activity of 1,3,4-Thiadiazoles with 3-Methoxyphenyl Substituent. [PDF]

open access: yesMolecules, 2022
Janowska S   +7 more
europepmc   +1 more source

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