Results 11 to 20 of about 7,389 (151)

Electrochemical Chlorination of Levulinic Acid

open access: yesElectrochemical Science Advances
Levulinic acid is a cellulose‐derived, sustainable feedstock with significant potential for use in renewable, carbon‐based polymer and chemical synthesis.
Ananda S. Amarasekara   +1 more
doaj   +2 more sources

Oxoammonium salts are catalysing efficient and selective halogenation of olefins, alkynes and aromatics

open access: yesNature Communications, 2021
Organohalides are widely used as synthetic precursors and target products, but for various halogenation reactions there is a need for effective catalysts to activate commercially available haleniums.
Weijin Wang   +6 more
doaj   +1 more source

Visible-Light-Induced Catalytic Selective Halogenation with Photocatalyst

open access: yesMolecules, 2021
Halide moieties are essential structures of compounds in organic chemistry due to their popularity and wide applications in many fields such as natural compounds, agrochemicals, and pharmaceuticals.
Truong Giang Luu   +2 more
doaj   +1 more source

Synthesis, Anticancer Potential and Comprehensive Toxicity Studies of Novel Brominated Derivatives of Bacterial Biopigment Prodigiosin from Serratia marcescens ATCC 27117

open access: yesMolecules, 2022
Prodigiosins (prodiginines) are a class of bacterial secondary metabolites with remarkable biological activities and color. In this study, optimized production, purification, and characterization of prodigiosin (PG) from easily accessible Serratia ...
Jelena Lazic   +8 more
doaj   +1 more source

Technical Note: Reactivity of C1 and C2 organohalogens formation – from plant litter to bacteria [PDF]

open access: yesBiogeosciences, 2012
C1/C2 organohalogens (organohalogens with one or two carbon atoms) can have significant environmental toxicity and ecological impact, such as carcinogenesis, ozone depletion and global warming.
J. J. Wang   +6 more
doaj   +1 more source

Synthesis and Reactions of 3-Halogenated 2-CF3-Indoles

open access: yesMolecules, 2022
Halogenation of 2-trifluoromethylindole afforded 3-chloro-, 3-bromo- and 3-iodo derivatives in up to 98% yield. Methyl-, benzyl- and tosyl-groups can be installed at the nitrogen atom of prepared indoles in high yields by base catalyzed reaction with the
Vasiliy M. Muzalevskiy   +2 more
doaj   +1 more source

Halogenation as a Strategy to Improve Antiplasmodial Activity: A Report of New 3-Alkylpyridine Marine Alkaloid Analogs [PDF]

open access: yesInternational Journal of Travel Medicine and Global Health, 2019
Introduction: Due to the emergence of resistance to antimalarial drugs as well as the lack of vaccination for malaria, there is an urgent demand for the development of new antimalarial alternatives.
Camila Barbosa   +6 more
doaj   +1 more source

Synthesis of Halogenated 1,5-Diarylimidazoles and Their Inhibitory Effects on LPS-Induced PGE2 Production in RAW 264.7 Cells

open access: yesMolecules, 2021
A series of halogenated 1,5-diarylimidazole compounds were synthesized and their inhibitory effects on LPS-induced PGE2 production in RAW 264.7 cells were evaluated.
Zunhua Yang   +4 more
doaj   +1 more source

Synthesis and spectrometric study of some nucleophilic reactions of the antiepileptic molecule; 5,5-diphenyl imidazolidine-2,4-dione. [PDF]

open access: yesمجلة جامعة الانبار للعلوم الصرفة, 2018
New reaction routs were performed for the compound 5,5-diphenyl 2,4-imidazolidinedione (I) to give derivatives (II – VII). These reactions include acylation, halogenation, reduction, and nucleophilic substitutions. Most of the derivatives showed variable
Saadi M. D. Al-Nuzal   +2 more
doaj   +1 more source

Thermochemical Modelling and Experimental Validation of In Situ Indium Volatilization by Released Halides during Pyrolysis of Smartphone Displays

open access: yesMetals, 2018
The present study focuses on the pyrolysis of discarded smartphone displays in order to investigate if a halogenation and volatilization of indium is possible without a supplementary halogenation agent.
Benedikt Flerus   +4 more
doaj   +1 more source

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