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SELENIUM HETEROCYCLES XXXX [I] SYNTHESES OF 4- (2-PYRAZINYL) - 1, 2, 3: SELENADIAZOLE AND 4- (2-PYRAZILYL)' - l,2,3- THIADIAZOLE [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 1990
Reaction of thionyl chloride with 2-acetyl-1- benzenesulfonylpyrrole semicarbazone (6 c) gave 4 - (1- benzenesulfonyl-2 - pyrrolyl) - 1, 2, 3 -thiadiazole (lc). Selenium dioxide oxidation of 2-acetylpyrazine semicarbazone (10) in acetic acid afforded 4- (
doaj   +2 more sources

Design, synthesis, and biological evaluation of novel diclofenac analogs as promising anti-inflammatory agents

open access: yesIndian Journal of Health Sciences and Biomedical Research KLEU, 2019
INTRODUCTION: Nonsteroidal anti-inflammatory drugs (NSAIDs) are widely used as analgesics and antipyretics in the treatment of pain, fever, and rheumatoid arthritis. Major side effect with treatment of NSAIDs is gastric irritation.
Manjula K Chikkamath   +2 more
doaj   +1 more source

Synthesis of Related Compounds of Thiosemi-carbazide. IV. 1-(1, 3, 4-Thiadiazol-2-yl)-2-pyrazolin-5-one and Tetrazolo [4, 5-a]-1, 3, 4-thiadiazole Derivatives.

open access: yesChemical and Pharmaceutical Bulletin, 1958
1) 1-(5-R-1, 3, 4-Thiadiazol-2-yl)-3-methyl-4-R'-2-pyrazolin-5-one (R'=H, iso-C3H7) (III) were synthesized starting with 2-hydrazino-5-R-1, 3, 4-thiadiazole (I : R=CH3, C2H5, n-C3H7, iso-C4H9, C6H5), and reacting them with ethyl acetoacetate or ethyl 3-acetyliso-valerate to form 5-R-1, 3, 4-thiadiazolylhydrazone (II).
openaire   +3 more sources

Synthesis, Docking and Acetylcholinesterase Inhibitory Evaluation of 1,3,4-Thiadiazole Derivatives as Potential Anti-Alzheimer Agents [PDF]

open access: yesPharmaceutical Sciences
Background: According to the cholinergic hypothesis for Alzheimer’s disease, potentiation of cholinergic neurotransmission is one of the best strategies for combating dementia.
Ahmad Mohammadi-Farani   +5 more
doaj   +1 more source

Diethyl {(4-methoxyphenyl)[5-(4-nitrophenyl)-1,3,4-thiadiazol-2-ylamino]methyl}phosphonate

open access: yesActa Crystallographica Section E, 2008
The title compound, C20H23N4O6PS, was synthesized by the reaction of N-(4-methoxybenzylidene)-5-(4-nitrophenyl)-1,3,4-thiadiazol-2-amine and diethyl phosphite. The thiadiazole and nitro-substituted phenyl rings in the molecule are approximately coplanar,
Li-He Yin   +4 more
doaj   +1 more source

N-[4-Acetyl-5-(2-methylprop-1-enyl)-5-(2-p-tolylpropyl)-4,5-dihydro-1,3,4-thiadiazol-2-yl]acetamide

open access: yesActa Crystallographica Section E, 2009
The title heterocyclic compound, C20H27N3O2S, was synthesized from 2-(4-methylcyclohex-3-enyl)-6-methylhepta-2,5-dien-4-one, which was isolated from the essential oil Cedrus atlantica.
Noureddine Mazoir   +5 more
doaj   +1 more source

(E)-N-(4-Chlorobenzylidene)-5-(4-methylphenyl)-1,3,4-thiadiazol-2-amine

open access: yesActa Crystallographica Section E, 2011
The title compound, C16H12ClN3S, was synthesized by the reaction of 5-(4-methylphenyl)-1,3,4-thiadiazol-2-amine and 4-chlorobenzaldehyde. The thiadiazole ring is essentially planar with mean deviation of 0.0042 Å.
Peng Yu   +4 more
doaj   +1 more source

Antimicrobial activity of 1, 3, 4-thiadiazole derivatives: a recent review

open access: yesJournal of Applied Pharmaceutical Research, 2018
A few five members’ aromatic systems having three hetero-atoms at symmetrical positions, for example, thiadiazoles have been considered broadly attributable to their intriguing pharmacological properties. These thiadiazole derivatives are the heterocyclic compound which contains the five member ring along with nitrogen and sulfur atoms.
openaire   +2 more sources

Synthesis and Evaluation of New 1,3,4-Thiadiazole-Benzimidazole Hybrids as Potent Antibacterial Agents

open access: yesProceedings of the International Conference on Applied Innovations in IT
Owing to the rapid rise in antibiotic resistance, infectious diseases have become serious threat to public health. There is an urgent need to develop new antimicrobial agents with diverse chemical structures and novel mechanisms of action to overcome the
Wejdan Khaled Harat   +1 more
doaj   +1 more source

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