Results 1 to 10 of about 20,785 (192)

A reagent to access methyl sulfones [PDF]

open access: yesNature Communications
A chemical reagent to access methyl sulfones has been developed. Its reaction with various bis-nucleophiles leads to the rapid formation of previously unknown heteroaromatic methyl sulfones. Analogous strategy can also be used to construct alkyl-, CHF2-,
Yaroslav Poplavskyi   +11 more
doaj   +2 more sources

Copper-catalyzed sulfonylation of alkenes with CH3SSO3Na [PDF]

open access: yesBMC Chemistry
A successful methodology for the copper-catalyzed dehydrogenated methylsulfonylation of alkenes utilizing CH3SSO3Na in conjunction with hypervalent iodine reagents was successfully established. This method offers a practical avenue to obtain allyl methyl
Xiaoli Chen, Ge Wu
doaj   +2 more sources

Direct Synthesis of Allylic Sulfones via Hydrosulfonylation of 1,3-Dienes with Sulfinic Acids [PDF]

open access: yesMolecules
Catalyst- and additive-free reactions for synthesizing valuable organic compounds have garnered significant attention in the context of sustainable development.
Ke Guo   +5 more
doaj   +2 more sources

Hydrogenation of β-Keto Sulfones to β-Hydroxy Sulfones with Alkyl Aluminum Compounds: Structure of Intermediate Hydroalumination Products

open access: yesMolecules, 2022
β-Hydroxy sulfones are important in organic synthesis. The simplest method of β-hydroxy sulfones synthesis is the hydrogenation of β-keto sulfones. Herein, we report the reducing properties of alkyl aluminum compounds R3Al (R = Et, i-Bu, n-Bu, t-Bu and n-
Michał Kotecki   +6 more
doaj   +1 more source

Antimicrobial and Biofilm-Preventing Activity of l-Borneol Possessing 2(5H)-Furanone Derivative F131 against S. aureusC. albicans Mixed Cultures

open access: yesPathogens, 2022
Candida albicans and Staphylococcus aureus are human pathogens that are able to form mixed biofilms on the surface of mucous membranes, implants and catheters.
Rand Sulaiman   +6 more
doaj   +1 more source

Chloroaluminate Ionic Liquid Immobilized on Magnetic Nanoparticles as a Heterogeneous Lewis Acidic Catalyst for the Friedel–Crafts Sulfonylation of Aromatic Compounds

open access: yesMolecules, 2022
Chloroaluminate ionic liquid bound on magnetic nanoparticles (Fe3O4@O2Si[PrMIM]Cl·AlCl3) was prepared and used as a heterogenous Lewis acidic catalyst for the Friedel–Crafts sulfonylation of aromatic compounds with sulfonyl chlorides or p-toluenesulfonic
Ngoc-Lan Thi Nguyen   +5 more
doaj   +1 more source

A Study on the Chemistry and Biological Activity of 26-Sulfur Analogs of Diosgenin: Synthesis of 26-Thiodiosgenin S-Mono- and Dioxides, and Their Alkyl Derivatives

open access: yesMolecules, 2022
A chemoselective procedure for MCPBA oxidation of 26-thiodiosgenin to corresponding sulfoxides and sulfone was elaborated. An unusual equilibration of sulfoxides in solution was observed.
Aneta M. Tomkiel   +5 more
doaj   +1 more source

Samarium oxide as efficient and non-endangered metal for synthesis of sulfones from sulfides: an elemental sustainability concept

open access: yesJournal of Taibah University for Science, 2023
Oxidation of sulfide to sulfone is a fundamental process to produce many important pharmaceutical compounds. Formerly, efficient methods have been reported for the synthesis of sulfones from sulfides.
Wei Lam Wan   +5 more
doaj   +1 more source

Prospective Approach to the Anaerobic Bioconversion of Benzo- and Dibenzothiophene Sulfones to Sulfide

open access: yesMolecules, 2019
Sulfur recovery from organic molecules such as toxic sulfones is an actual problem, and its solution through the use of environmentally friendly and nature-like processes looks attractive for research and application.
Olga Senko   +7 more
doaj   +1 more source

Palladium-catalyzed sulfonylative coupling of benzyl(allyl) carbonates with arylsulfonyl hydrazides

open access: yesGreen Synthesis and Catalysis, 2022
An efficient palladium-catalyzed sulfonylative coupling for the synthesis of benzyl(allyl) sulfones from sulfonyl hydrazides and carbonates was developed.
Bozhen Gong   +8 more
doaj   +1 more source

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