Results 31 to 40 of about 4,617 (218)

Synthesis of series of different imidazolidine-2,4-dione derivatives and evaluation of their antimicrobial potential [PDF]

Kragujevac Journal of Science, 2022
A series of twenty two different imidazolidine-2,4-dione derivatives, divided according to their structure into five groups, including alkyl, alkenyl or aryl 5,5disubstituted hydantoins, spirohydantoins, and fused bicyclic and tricyclic hydantoins, was ...
Šmit Biljana, Radojević Ivana, Stanić Petar B., Ašanin Darko, Vasić Marijana, Katanić-Stanković Jelena S.   +5 more
doaj   +1 more source

One-pot synthesis of orthogonally protected dipeptide selenazoles employing Nα-amino selenocarboxamides and α-bromomethyl ketones [PDF]

, 2014
A simple and efficient protocol for the synthesis of selenazole containing dipeptidomimetics using Nα-amino selenocarboxamides and α-bromomethyl ketones is described. All the compounds made were isolated in good yields and fully characterized.
Madhu, C., Narendra, N., Panduranga, V., Panguluri, N.R., Sureshbabu, V.V.   +4 more
core   +1 more source

Recent Advances in the Synthesis and Antioxidant Activity of Low Molecular Mass Organoselenium Molecules

Molecules, 2023
Selenium is an essential trace element in living organisms, and is present in selenoenzymes with antioxidant activity, like glutathione peroxidase (GPx) and thioredoxin reductase (TrxR).
João M. Anghinoni, Paloma T. Birmann, Marcia J. da Rocha, Caroline S. Gomes, Michael J. Davies, César A. Brüning, Lucielli Savegnago, Eder J. Lenardão   +7 more
doaj   +1 more source

Selenium- and Tellurium-Based Antioxidants for Modulating Inflammation and Effects on Osteoblastic Activity

Antioxidants, 2017
Increased oxidative stress plays a significant role in the etiology of bone diseases. Heightened levels of H2O2 disrupt bone homeostasis, leading to greater bone resorption than bone formation. Organochalcogen compounds could act as free radical trapping
Xi Lu, Gemma Mestres, Vijay Pal Singh, Pedram Effati, Jia-Fei Poon, Lars Engman, Marjam Karlsson Ott   +6 more
doaj   +1 more source

Synthesis of New Organoselenium Compounds: Characterization and Biological Studies

Macedonian Journal of Chemistry and Chemical Engineering, 2020
Two new organoselenium analogs, (3,3'-(1,2-phenylenebis(methylene))bis(2-selenoxo-2,3-dihydro-1H-imidazole-3,1-diyl))bis(methylene) dibenzoate (III) and 3,3'-(1,2-phenylenebis(methylene))bis(1-benzyl-1H-imidazole-2(3H)-selenone) (V), were derived from ...
Nimra Naz, Saima Saqib, Rizwan Ashraf, Muhammad Irfan Majeed, Muhammad Adnan Iqbal   +4 more
doaj   +1 more source

Organoselenium( II ) halides containing the pincer 2,6-(Me 2 NCH 2 ) 2 C 6 H 3 ligand – an experimental and theoretical investigation [PDF]

, 2014
New organoselenium( II )halidesofthetype[RSe] + X − [R = 2,6-(Me 2 NCH 2 ) 2 C 6 H 3 ;X=Cl( 2 ), Br ( 3 ), I ( 4 )] were prepared by cleavage of the Se – Se bond in R 2 Se 2 ( 1 )withSO 2 Cl 2 followed by halogen ...
Arca, Massimiliano, Juarez-Perez, Emilio Jose, Lippolis, Vito, Pop, Alexandra, Silvestru, Anca, Silvestru, Cristian   +5 more
core   +2 more sources

Sodium Selenate, Potassium Hydroxy-Selenide, Acetylselenide and Their Effect on Antioxidant Metabolism and Plant Nutrition and Yield in Sorghum Genotypes

Foods, 2023
Agronomic biofortification with selenium (Se) effectively reduces hidden hunger and increases the nutritional intake of Se in people and animals. Because sorghum is a staple diet for millions of people and is used in animal feed, it becomes a crop with ...
Patriciani Estela Cipriano, Rodrigo Fonseca da Silva, Cynthia de Oliveira, Alexandre Boari de Lima, Fabio Aurélio Dias Martins, Gizele Celante, Alcindo Aparecido dos Santos, Marcos Vinicio Lopes Rodrigues Archilha, Marcos Felipe Pinatto Botelho, Valdemar Faquin, Luiz Roberto Guimarães Guilherme   +10 more
doaj   +1 more source

Metal-free syn-dioxygenation of alkenes [PDF]

, 2013
Reactions employing inexpensive reagents from sustainable sources and with low toxicity are becoming increasingly desirable from an academic and industrial perspective.
Ashikari, Bataille, Buddrus, Buddrus, Criegee, D'Alfonso, Dohi, Emmanuvel, Fujita, Fujita, Fujita, Fujita, Greene, Greene, Greene, Greene, Greene, Greene, Griffith, Hirt, Hirt, Javaid, Javaid, Jones, Kang, Kim, Kim, Kolb, Koyama, Kuepper, Liang, Michael J. Rawling, Mudiganti, Nguyen, Nicholas C. O. Tomkinson, Picon, Prevost, Prevost, Prevost, Rani, Rebrovic, Richardson, Santi, Santi, Santoro, Schwarz, Shu, Silva, Jr., Sonoda, Tadokoro, VanRheenen, Wirth, Wirth, Woodward, Yuan, Yusubov, Zhdankin, Zhong, Zhong, Zhu, Çelik   +60 more
core   +1 more source

Antimicrobial Coatings for Medical Textiles via Reactive Organo-Selenium Compounds

Molecules, 2023
Bleached and cationized cotton fabrics were chemically modified with reactive organoselenium compounds through the nucleophilic aromatic substitution (SNAr) reaction, which allowed for organo-selenium attachment onto the surface of cotton fabrics via ...
Ejajul Hoque, Phat Tran, Unique Jacobo, Nicholas Bergfeld, Sanjit Acharya, Julia L. Shamshina, Ted W. Reid, Noureddine Abidi   +7 more
doaj   +1 more source

Enzyme prodrug therapy achieves site-specific, personalized physiological responses to the locally produced nitric oxide [PDF]

, 2018
Nitric oxide (NO) is a highly potent but short-lived endogenous radical with a wide spectrum of physiological activities. In this work, we developed an enzymatic approach to the site-specific synthesis of NO mediated by biocatalytic surface coatings ...
Alexander N. Zelikin, Anna K. Winther, Betina Fejerskov, Jeremy E. Schaffer, Kerdjoudj H., Leo J. Schultze Kool, Marja ter Meer, Molly M. Stevens, Moncada S., Najah B.S. Jensen, Rona Chandrawati, Ross Dillion, Ulf Simonsen   +12 more
core   +2 more sources