Results 21 to 30 of about 9,301,702 (224)

Synthesis and Antimicrobial Screening of Some New Thiazole Substituted 1,3,4-Oxadiazole Derivatives

open access: yesChemistry Proceedings, 2021
In the present work, the synthesis and antimicrobial activity of new thiazole substituted 1,3,4-oxadiazole derivatives was achieved. The reaction of different thioamides with ethyl 4-chloro-3-oxobutanoate (4-chloro ethyl acetoacetate) provided ethyl 2-(2-
Siddhant V. Kokate, Sachin V. Patil
doaj   +1 more source

4,4′-Difluoro-[3,3′-bi(1,2,5-oxadiazole)] 2,2′-Dioxide

open access: yesMolbank, 2023
1,2,5-Oxadiazole oxides (furoxans) are well known nitric oxide donors; among them, 4-fluorofuroxans have recently been found to be important photoinduced nitric oxide donors. In this research, it was shown that the reaction of 4,4′-dinitro-[3,3′-bi(1,2,5-
Natalia V. Obruchnikova, Oleg A. Rakitin
doaj   +1 more source

N-Phenyl-N-{4-[5-(4-pyridyl)-1,3,4-oxadiazol-2-yl]phenyl}aniline

open access: yesActa Crystallographica Section E, 2008
The title compound, C25H18N4O, is a non-planar bipolar ligand containing triphenylamine and 1,3,4-oxadiazole units. In the molecule, the benzene ring, the 1,3,4-oxadiazole ring, and the pyridine ring are twisted slightly with respect to each other ...
Li-Ping Han, Bin Li, Jie Liu
doaj   +1 more source

Dispersions of 1,3,4-Oxadiazole-Linked Conjugated Microporous Polymers with Carbon Nanotubes as a High-Performance Electrode for Supercapacitors

open access: yes, 2022
In this study, we used classical and simple Sonogashira couplings to construct three 1,3,4-oxadiazole-linked conjugated microporous polymers (OXD-CMPs) through the reaction of 2,5-bis­(4-bromophenyl)-1,3,4-oxadiazole (OXD-Br2) as a common partner with ...
Tharwat Hassan Mansoure   +15 more
core   +1 more source

Syntheses, Evaluation and Characterization of Some 1, 3, 4‐Oxadiazoles as Antimicrobial Agents [PDF]

open access: yesJournal of Chemistry, 2009
1,3,4‐Oxadiazoles show various biological activities and have been synthesized from different compounds. 1,3,4‐oxadiazole is popularly known for its antimicrobial, anti‐inflammatory, pesticidal and antihypertensive activities etc. It is well known that the synthesis of heterocyclic compounds tend to contain multi‐structure in a molecule.
Niti Bhardwaj   +3 more
openaire   +2 more sources

SYNTHESIS,ANTIBACTERIAL ACTIVITY OF 2-AMINO 5-PHENYL -1,3,4- OXADIAZOLE DERIVATIVES

open access: yesمجلة بغداد للعلوم, 2008
In the present investigation, five derivatives were synthesized as potential  antimicrobial   agents , The compounds  are : 2-amino 5-phenyl - 1,3,4-  oxadiazole  dithi-ocarbomate, 2-amino 5-( 4-amino- N,N-dimethyl phenyl)-  1,3,4- oxadiazole,    2 ...
Hussain jassem Mohammed
doaj   +1 more source

Synthesis of 2-(3-chloro-4-nitro-1-benzothien-2-yl)-1,3,4-oxadiazole-1,3,4-thiadiazole and 5-(3-chloro-4-nitro-1-benzothien-2-yl)-4H-1,2,4-triazole-3-thiol [PDF]

open access: yesمجلة التربية والعلم, 2010
In this paper the synthesis of some substituted 1,3,4-oxadiazole, 1,3,4-thiadiazole and 1,2,4-triazole is reported. 3-chloro-4-nitro-2-chloro carbonyl benzo [b] thiophene(1) was synthesized from 2-nitrocinnamic acid by its reaction with thionyl chloride ...
Khalid M. Daoud   +2 more
doaj   +1 more source

2-Phenyl-5-(p-tolyl)-1,3,4-oxadiazole

open access: yes, 2011
Funding: University of St. Andrews and the Engineering and Physical Science Research Council (EPSRC, UK).The title compound, C15H12N2O, adopts the expected near-planar geometry, the phenyl and tolyl rings being inclined relative to the oxadiazole ring by
Woollins, J. Derek   +7 more
core   +1 more source

Synthesis and characterization of two 1,2,4-oxadiazole-furazan-based nitrate ester compounds as potential energetic plasticizers

open access: yesFirePhysChem, 2023
Two novel energetic compounds, 3-nitroxymethyl-5-(4-nitro-furazan-3-yl)-1,2,4-oxadiazole (4) and 3-nitroxymethyl-5-(4-azido-furazan-3-yl)-1,2,4-oxadiazole (5), were synthesized.
Qi Xue   +5 more
doaj   +1 more source

Síntese e modificações de derivados heterocíclicos de D-arabinose: potenciais inibidores de glicose-6-fosfato isomerase e de glicosamina-6-fosfato sintase Synthesis and modifications of heterocyclic derivatives of D-arabinose: potential inhibitors of glucose-6-phosphate isomerase and glucosamine-6-phosphate synthase

open access: yesQuímica Nova, 2008
The synthesis of -5-(D-arabino-1,2,3,4-tetrahydroxybutyl)tetrazole and -2-(D-arabino-1,2,3,4-tetra-acetoxybutyl)-5-methyl-1,3,4-oxadiazole from D-arabinose is described.
Renato Márcio Ribeiro Viana   +2 more
doaj   +1 more source

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