Results 21 to 30 of about 86,294 (392)

Membrane-free selective oxidation of thioethers with water over a nickel phosphide nanocube electrode

open access: yesCell Reports Physical Science, 2021
Summary: Developing a membrane-free oxidation reaction, especially using water as the oxygen source, to generate high-value chemicals with high selectivity for replacing low-value O2 over a cost-effective catalyst is significant.
Shuyan Han   +6 more
doaj   +1 more source

Unexpected nucleophilic participation and rearrangement of DBU in reactions with saccharin derivatives [PDF]

open access: yes, 2003
DBU attacks saccharin derivatives with subsequent rearrangement to give rise to 3-[3'-(1"-azepin-2"-onyl)propylamino]-1,2-benzisothiazole-1,1-dioxide 2 after work ...
Barkley, James V.   +3 more
core   +1 more source

Desulfurization of Dibenzothiophene and Oxidized Dibenzothiophene Ring Systems

open access: yesMolecules, 2010
Lithium, used in conjunction with sodium metal, produces a high yield of biphenyl when reacted with dibenzothiophene, dibenzothiophene sulfoxide or dibenzothiophene sulfone.
Diego P. Morales   +2 more
doaj   +1 more source

A kinetic and theoretical study of the borate catalysed reactions of hydrogen peroxide: the role of dioxaborirane as the catalytic intermediate for a wide range of substrates [PDF]

open access: yes, 2012
Our recent work has provided new insights into the equilibria and species that exist in aqueous solution at different pHs for the boric acid – hydrogen peroxide system, and the role of these species in oxidation reactions. Most recently, (M. C.
Abel   +43 more
core   +1 more source

Unconventional Biocatalytic Approaches to the Synthesis of Chiral Sulfoxides

open access: yesChemBioChem, 2020
Sulfoxides are a class of organic compounds that find wide application in medicinal and organic chemistry. Several biocatalytic approaches have been developed to synthesise enantioenriched sulfoxides, mainly by exploiting oxidative enzymes. Recently, the
Silvia Anselmi   +3 more
semanticscholar   +1 more source

Highly Efficient Selective Oxygenation of Sulfides to Sulfoxides by Oxalic Acid Dihydrate in the Presence of H2O2

open access: yesE-Journal of Chemistry, 2012
A highly efficient method for the oxidation of sulfides to sulfoxides using oxalic acid dihydrate in the presence of hydrogen peroxide has been developed.
Masoud Mokhtary   +2 more
doaj   +1 more source

Sulfur-Containing Monoterpenoids as Potential Antithrombotic Drugs: Research in the Molecular Mechanism of Coagulation Activity Using Pinanyl Sulfoxide as an Example

open access: yesFrontiers in Pharmacology, 2018
In this article we present the synthesis of enantiomerically pure sulfoxide and study the influence of this compound on hemostasis. Detailed NMR studies and molecular dynamics simulations using sodium dodecyl sulfate (SDS) membrane models indicated that ...
Liliya E. Nikitina   +13 more
doaj   +1 more source

Deep eutectic solvent mediated controlled and selective oxidation of organic sulfides and hydroxylation of arylboronic acids

open access: yesCurrent Research in Green and Sustainable Chemistry, 2021
A mild and efficient protocol has been developed for the controlled oxidation of wide variety of organic sulfides to corresponding sulfoxides using deep eutectic solvent (DES) as catalyst and hydrogen peroxide as oxidant under ambient condition.
Apurba Dutta   +4 more
doaj   +1 more source

Sulfur analysis of Bolu-Mengen lignite before and after microbiological treatment using reductive pyrolysis and gas chromatography/mass spectrometry [PDF]

open access: yes, 2005
Atmospheric pressure-temperature programmed reduction coupled with on-line mass spectrometry (AP-TPR/MS) is used for the first time on microbiologically treated coal samples as a technique to monitor the degree of desulfurization of the various sulfur ...
Bozdemir T.   +27 more
core   +1 more source

Synthesis of enantioenriched sulfoxides [PDF]

open access: yes, 2010
This review discusses strategies for the asymmetric synthesis of sulfoxides, compounds with many applications in stereoselective synthesis and in some cases with pharmaceutical application.
Kelly, Padraig   +3 more
core   +1 more source

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