Results 91 to 100 of about 5,992 (210)

Conjugated Oligo-Aromatic Compounds Bearing a 3,4,5-Trimethoxy Moiety: Investigation of Their Antioxidant Activity Correlated with a DFT Study

Molecules, 2016
A series of heterocyclic compounds bearing the well-known free radical scavenging 3,4,5-trimethoxybenzyloxy group, was synthesized. The key compound 4-(3,4,5-trimethoxybenzyl-oxy)benzohydrazide was converted into thiosemicarbazide derivatives, which were
Huda. S. Kareem, Nurdiana Nordin, Thorsten Heidelberg, Azlina Abdul-Aziz, Azhar Ariffin   +4 more
doaj   +1 more source

The Last Frontiers and Challenges in Urea Electrochemical Production Using Carbon Dioxide and Nitrate

ChemSusChem, Volume 19, Issue 10, 27 May 2026.
Urea electrosynthesis from CO2 and nitrate offers a sustainable alternative to fossil‐fuel‐based production. This review examines recent progress in reaction mechanisms, electrocatalysts, and detection methods for urea and intermediates. By identifying critical research challenges, we highlight potential strategies to optimize efficiency and overcome ...
Alessandro Bani, Mohsin Muhyuddin, Piercarlo Mustarelli, Veronica Termopoli, Rosanna Viscardi, Carlo Santoro   +5 more
wiley   +1 more source

Synthesis and Antibacterial Activities of Novel Imidazo[2,1-b]-1,3,4-thiadiazoles

Molecules, 2011
2-Amino-5-(2-aryl-2H-1,2,3-triazol-4-yl)-1,3,4-thiadiazoles 2-4 have been synthesized by the reaction of 2-aryl-2H-1,2,3-triazole-4-carboxylic acids 1 with thiosemicarbazide. Their reaction with phenacyl (p-substituted phenacyl) bromides led to formation
Kamal F. M. Atta, Omaima O.M. Farahat, Mohamed G. Marei, Alaa Z. A. Ahmed   +3 more
doaj   +1 more source

Synthesis and Biological Activity of Some New 1,3,4-Thiadiazole and 1,2,4-Triazole Compounds Containing a Phenylalanine Moiety

Molecules, 2009
New 1,3,4-thiadiazole, 6, 7 and 1,2,4-triazole derivatives, 8, 9 containing a phenylalanine moiety have been synthesized by intramolecular cyclization of 1,4-disubstituted thiosemicarbazides, 4, 5, in acid and alkaline media, respectively; the ...
Cristian Peptu, Jacques Desbrieres, Marcel Popa, Valeriu Sunel, Lenuta Profire, Mihaela Moise   +5 more
doaj   +1 more source

Theoretical studies on the corrosion inhibition characteristics of thiosemicarbazide derivatives

, 2018
Quantum chemical calculations using B3LYP and RHF methods with the 6-311G(d,p)  and 6-311++G(2d,2p) basic sets and CBS-Q method were used and performed to give further insight into the inhibition mechanism of benzaldehyde thiosemicarbazone (BTSC), p ...
Alrjaibi, Abdelhakim, Amin, Mohammed, KANDEMİRLİ, FATMA, SARAÇOĞLU, MURAT, BAYOL, EMEL   +4 more
core   +1 more source

Synthesis and Cytotoxic Effects of Various Thiosemicarbazide Compounds on Primary and Metastatic Breast Cancer Cell Lines

BACKGROUND/AIMS: Thiosemicarbazides and their metal complexes are known for their antiviral, antibacterial, and antitumor properties. This research describes the synthesis of four novel thiosemicarbazide derivatives (5, 8, 13, and 14) and investigates ...
Nuray Ulusoy Güzeldemirci, Guzeldemirci, Nuray Ulusoy, Hafize Seda Vatansever, Ensarioglu, Hilal Kabadayi, Hilal Kabadayı Ensarioğlu, Faika Başoğlu, Becer, Eda, Eda Becer, Basoglu, Faika, Vatansever, Hafize Seda   +9 more
core   +1 more source

(E)-1-[(2-Chloro-5-methylpyridin-3-yl)methylene]thiosemicarbazide

, 2010
The title compound, C8H9ClN4S, which has potential insecticidal activity, was synthesized by the reaction of 2-chloro-5-methylnicotinaldehyde and thiosemicarbazide.
Zhen Wang, Zhen Wang, Yongqiang Ma, Yun Ling, Xinling Yang, Yan Xu   +5 more
core   +1 more source

Crystal structure of 4-cyclohexyl-1-(propan-2-ylidene)thiosemicarbazide

Acta Crystallographica Section E, 2014
In the title compound, C10H19N3S, the cyclohexyl group adopts a chair conformation and adopts a position approximately syn to the thione S atom. The CN2S thiourea moiety makes dihedral angle of 13.13 (10)° with the propan-2-ylideneamino group.
Bohari M Yamin, Monica Lulo Rodis, Dayang N. B. A Chee   +2 more
doaj   +1 more source

Bis(thiosemicarbazide)nickel(II) bis[2-(thiosemicarbazonomethyl)benzenesulfonate] dihydrate [PDF]

, 2009
In the title compound, [Ni(CH5N3S)2](C8H8N3O3S2)2·2H2O, the NiII atom lies on a inversion centre and is four-coordinated by two N and two S atoms of two thiosemicarbazide ligands in an almost square-planar coordination. In the crystal structure,
Wei Zhang, Yuan-Tao Chen
core   +1 more source

(E)-1-(4-Hydroxybenzylidene)-4-methylthiosemicarbazide

IUCrData, 2016
The title compound, C9H11N3OS, is derived from methylthiosemicarbazide and hydroxybenzylidene fragments with a trans configuration at the C=N bond. The structure is stabilized by intermolecular N—H...S, N—H...O and O—H...S hydrogen bonds that form a two ...
Karimah Kassim, Nor Zakiah Nor Hashim, Bohari M.Yamin, Hamizah Mohd Zaki   +3 more
doaj   +1 more source