Results 41 to 50 of about 12,547 (208)

Synthesis of some Nitro-substituted 1,3,4-Oxadiazoles, 1,3,4-Thiadiazoles and 1,2,4-Triazoles as Antiamebic Agents [PDF]

open access: yes, 1989
Post-Graduate Department of Chemistry, University of Jammu, Jammu-180 004 Manuscript received 20 May 1987, revised 15 November 1988, accepted 14 December 1988 Some 2-(\(\beta\)-arylethyl)-5-phenylamino-1,3,4-oxadiazoles, 2-(\(\beta\)-arylethyl)-5 ...
T. C. LANGER   +2 more
core   +1 more source

Synthesis and Antimicrobial Activity of Some New 1,3,4-Thiadiazole Derivatives

open access: yesMolecules, 2012
New series of 1,3,4-thiadiazoles have been prepared via reaction of 1,3,4-thiadiazolenaminones 1 with N-phenyl 2-oxopropanehydrazonoyl chloride (2) in dioxane in the presence of triethylamine.
Mohamed R. Abdel Aziz   +2 more
doaj   +1 more source

Synthesis, Characterization, and Antimicrobial Properties of New 1,3,4‐Thiadiazoles Derived from Azo Dyes [PDF]

open access: yes, 2019
Some new 1,3,4‐thiadiazoles derived from azo dyes were synthesized. Two different synthesis methods were used for these compounds: Esters pertaining to the azo dyes were converted into 1,3,4‐thiadiazoles, or benzothiazole ester derivatives were converted
Gür, Mahmut, Mahmut Gür
core   +1 more source

Synthesis of some substituted 1,3,4-oxadiazoles, thiadiazoles and 1,2,4-triazoles [PDF]

open access: yesمجلة التربية والعلم, 2009
In this paper the synthesis of some substituted 1,3,4-oxadiazoles, 1,3,4-thiadiazoles and 1,2,4-triazoles is reported. Ethyl methacrylate was treated with hydrazine hydrate in ethanol to give the corresponding hydrazide (1).
Shereen R. Mohamed
doaj   +1 more source

Design, synthesis, and biological investigation of oxadiazolyl, thiadiazolyl, and pyrimidinyl linked antipyrine derivatives as potential non-acidic anti-inflammatory agents

open access: yesJournal of Enzyme Inhibition and Medicinal Chemistry, 2023
A novel series of 12 antipyrine derivatives containing 1,3,4-oxadiazoles (4a-d), 1,3,4-thiadiazoles (6a-d), and pyrimidines (8a-d), was preparedand assessed for its potential in vitro COX-2 inhibitors.
Mohammad M. Al-Sanea   +11 more
doaj   +1 more source

Synthesis and Cytotoxic Activity of New 1,3,4-Thiadiazole Thioglycosides and 1,2,3-Triazolyl-1,3,4-Thiadiazole N-glycosides [PDF]

open access: yesMolecules, 2019
New 1,3,4-thiadiazole thioglycosides linked to substituted arylidine systems were synthesized via glycosylation of the prepared 1,3,4-thiadiazole thiol compounds. Click strategy was also used for the synthesis of new 1,3,4-thiadiazole and 1,2,3-triazole hybrid glycosides by reaction of the acetylenic derivatives with different glycosyl azids followed ...
Fahad M. Alminderej   +4 more
openaire   +3 more sources

Synthesis and antiproliferative studies of 5-aryl-2-(3-thienylamino)-1,3,4- thiadiazoles [PDF]

open access: yes, 2014
A series of 5-aryl-2-(3-thienylamino)-1,3,4-thiadiazoles 3a-m were synthesized in good yields in two steps starting from thiophen-3- isothiocyanates.
Gadais, Charlène   +4 more
core   +1 more source

SYNTHESIS AND ANTIMICROBIAL ACTIVITY OF NEW N-ETHYL-N-METHYL BENZENE SULFONAMIDE DERIVATIVES [PDF]

open access: yesAl-Azhar Journal of Pharmaceutical Sciences, 2014
This article describes the synthesis of some novel sulfonamide having the biologically active hydrazones 1,3,4-thiadiazoles and 4-oxothiazolidines  moieties 2-4, 7 and      10-13 respectively.  Starting with 4-acetyl-N-ethyl-N-methyl benzene sulfonamide (
Ahmed El-Morsy
doaj   +1 more source

Greener and rapid access to bio-active heterocycles: one-pot solvent-free synthesis of 1,3,4-oxadiazoles and 1,3,4-thiadiazoles [PDF]

open access: yes, 2008
A novel one-pot solvent-free synthesis of 1,3,4-oxadiazoles and 1,3,4-thiadiazoles by condensation of acid hydrazide and triethyl orthoalkanates under microwave irradiations is reported.
Polshettiwar, Vivek, Varma, Rajender S.
core   +1 more source

Synthesis of 1,3,4-Thiadiazole Derivatives and Their Anticancer Evaluation

open access: yesInternational Journal of Molecular Sciences, 2023
Thiadiazole derivatives have garnered significant attention in the field of medicinal chemistry due to their diverse pharmacological activities, including anticancer properties. This article presents the synthesis of a series of thiadiazole derivatives and investigates their chemical characterization and potential anticancer effects on various cell ...
Camelia Elena Stecoza   +8 more
openaire   +2 more sources

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