Results 1 to 10 of about 3,055 (201)

Hydrazides as Powerful Tools in Medicinal Chemistry: Synthesis, Reactivity, and Biological Applications [PDF]

open access: yesMolecules
The increase in drug resistance and the high toxicity of current drugs have inspired the scientific community to develop new drugs for various diseases. Hydrazides have become an attractive functional group to easily obtain a plethora of novel compounds ...
Sofia Teixeira   +2 more
doaj   +2 more sources

Design, Synthesis and Antitubercular Activity of Certain Nicotinic Acid Hydrazides

open access: yesMolecules, 2015
Three series of 6-aryl-2-methylnicotinohydrazides 4a–i, N′-arylidene-6-(4-bromophenyl)-2-methylnicotino hydrazides 7a–f, and N′-(un/substituted 2-oxoindolin-3-ylidene)-6-(4-fluorophenyl)-2-methylnicotinohydrazides 8a–c were synthesized and evaluated for ...
Wagdy M Eldehna   +2 more
exaly   +3 more sources

RETRACTED: Qadir et al. Synthesis and Characterization of Metal Particles Using Malic Acid-Derived Polyamides, Polyhydrazides, and Hydrazides. Molecules 2025, 30, 134 [PDF]

open access: yesMolecules
The journal retracts the article titled “Synthesis and Characterization of Metal Particles Using Malic Acid-Derived Polyamides, Polyhydrazides, and Hydrazides” [...]
Muhammad Farhan Qadir   +9 more
doaj   +2 more sources

Synthesis and characterization of FeCuAlO4 as a reusable heterogeneous acidic nanocatalyst for preparation of 2-amino-1,3,4-thiadiazole derivatives in water [PDF]

open access: yesScientific Reports
2-amino-1,3,4-thiadiazole derivatives possess notable significance across therapeutic, agricultural, and industrial domains. The reaction of acid hydrazides and potassium thiocyanate in aqueous solution leads to the production of thiosemicarbazide ...
Abbas Nikoo
doaj   +2 more sources

Late-stage diversification strategy for the synthesis of peptide acids and amides using hydrazides [PDF]

open access: yesExploration of Drug Science, 2023
Aim: Modification of the C-terminus of a peptide to improve its properties, particularly after constructing the peptide chain, has great promise in the development of peptide therapeutics.
Shoko Tanaka   +5 more
doaj   +1 more source

Microwave-assisted single-step synthesis of acid hydrazides from corresponding acids utilizing newly designed apparatus

open access: yesJournal of Applied Pharmaceutical Research, 2022
Acid hydrazides are essential intermediates in organic synthesis. They conventionally require a two-step synthetic pathway; esterification and hydrazine hydrate treatment; to obtain the hydrazide. The microwave-assisted synthetic methodology was utilized
Sabah Mohamad   +2 more
doaj   +1 more source

Electrochemical Synthesis of Dibenzothiophene S,S-Dioxides from Biaryl Sulfonyl Hydrazides

open access: yesElectrochemistry, 2023
The electrochemical synthesis of dibenzothiophene S,S-dioxides was achieved by the anodic oxidation of biaryl sulfonyl hydrazides. The use of Bu4NOTf as the electrolyte in HFIP/CH3NO2 (15 : 1) is essential.
Yasuyuki OKUMURA   +3 more
doaj   +1 more source

Hydrazones of 4-(Trifluoromethyl)benzohydrazide as New Inhibitors of Acetyl- and Butyrylcholinesterase

open access: yesMolecules, 2021
Based on the broad spectrum of biological activity of hydrazide–hydrazones, trifluoromethyl compounds, and clinical usage of cholinesterase inhibitors, we investigated hydrazones obtained from 4-(trifluoromethyl)benzohydrazide and various benzaldehydes ...
Martin Krátký   +4 more
doaj   +1 more source

The synthesis and characterization of some novel 5-chloro-2-(substituted alkoxy)-N-phenylbenzamide derivatives [PDF]

open access: yesJournal of the Serbian Chemical Society, 2009
To obtain biologically active compounds, the synthesis of some new derivatives with an o-hydroxybenzamide structure was performed. The ethyl esters 4–6 were obtained by the reaction of 5-chloro-2-hydroxy-N-phenylbenzamide and chloro-substituted acid ...
IOANA M. C. IENAŞCU   +4 more
doaj   +3 more sources

Synthesis, Characterization and Antimicrobial Activity of Some New Tetrazole Derivatives from Hydrazones [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2022
In this investigation, a combination of Z1-Z5 hydrazone compounds is obtained from the reaction between 4-methylbenzohydrazide and aryl-aldehydes. A subsequent unique synthetic approach to the preparation of di-substituted tetrazoles T6-T10 was achieved ...
Ahmed Sajjad, Zainab Al Shuhaib
doaj   +1 more source

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