Results 31 to 40 of about 106,522 (343)

Highly-functionalised difluorinated cyclohexane polyols via the Diels–Alder reaction : regiochemical control via the phenylsulfonyl group [PDF]

open access: yes, 2005
A difluorinated dienophile underwent cycloaddition reactions with a range of furans to afford cycloadducts whichcould be processed regio- and stereoselectively via episulfonium ions, generated by the reaction between their alkenyl groups and ...
Crowley, Patrick J   +5 more
core   +1 more source

Synthesis and Evaluation of Novel Benzofuran Derivatives as Selective SIRT2 Inhibitors

open access: yesMolecules, 2017
A series of benzofuran derivatives were designed and synthesized, and their inhibitory activites were measured against the SIRT1–3. The enzymatic assay showed that all the compounds showed certain anti-SIRT2 activity and selective over SIRT1 and SIRT3 ...
Yumei Zhou   +10 more
doaj   +1 more source

Photocatalytic Hydrogen Evolution from Water Using Fluorene and Dibenzothiophene Sulfone-Conjugated Microporous and Linear Polymers

open access: yesChemistry of Materials, 2018
Three series of conjugated microporous polymers (CMPs) were studied as photocatalysts for hydrogen production from water using a sacrificial hole scavenger. In all cases, dibenzo[b,d]thiophene sulfone polymers outperformed their fluorene analogues.
Reiner Sebastian Sprick   +9 more
semanticscholar   +1 more source

Davis-Beirut reaction: route to thiazolo-, thiazino-, and thiazepino-2H-indazoles. [PDF]

open access: yes, 2014
Methods for the construction of thiazolo-, thiazino-, and thiazepino-2H-indazoles from o-nitrobenzaldehydes or o-nitrobenzyl bromides and S-trityl-protected 1°-aminothioalkanes are reported.
Farber, Kelli M   +2 more
core   +2 more sources

Sulfide Oxidation to Sulfone Using Sodium Chlorite and Hydrochloric Acid in Organic Solvents

open access: yesMolecules
Organosulfur compounds are appealing owing to the diverse oxidation states accessible by sulfur, allowing the precise adjustment of their properties. In this study, we report a practical oxidation method that converts sulfides to sulfones by generating ...
Yuki Itabashi   +4 more
doaj   +1 more source

Synthesis and (spectro)electrochemistry of mixedvalent diferrocenyl–dihydrothiopyran derivatives [PDF]

open access: yes, 2015
Three novel diferrocenyl complexes were prepared and characterised. 2,2-Diferrocenyl-4,5-dimethyl- 3,6-dihydro-2H-thiopyran (1, sulphide) was accessible by the hetero-Diels–Alder reaction of diferrocenyl thioketone with 2,3-dimethyl-1,3-butadiene ...
Aguirre-Etcheverry   +87 more
core   +3 more sources

Crystal structure of N,N-dimethyl-2-[(4-methylbenzyl)sulfonyl]ethanamine

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2015
In the crystal, the title compound, C12H19NO2S, has a disordered structure with two equally populated conformations of the amine fragment. A pair of weak C—H...O intermolecular interactions between the CH2 and SO2 groups gives a one-dimensional ...
Alan R. Kennedy   +3 more
doaj   +1 more source

Synthesis, Biological Evaluation and Molecular Docking of Certain Sulfones as Potential Nonazole Antifungal Agents

open access: yesMolecules, 2016
We reported herein the synthesis, antifungal activity, docking and in silico ADME prediction studies of four novel series of sulfones 6a–f, 8a–c, 10a–f and 12a–c.
Mohamed Fares   +8 more
doaj   +1 more source

The formation of nodular structures in the top layer of ultrafiltration membranes [PDF]

open access: yes, 1994
The formation of nodular structures in the top layer of ultrafiltration membranes is considered. A critical review of mechanisms described in the literature is given.
Smolders, C.A.   +4 more
core   +7 more sources

Benzhydryl phenyl sulfone [PDF]

open access: yesActa Crystallographica Section E Structure Reports Online, 2009
In the title compound, C(19)H(16)O(2)S, the sulfur-bound phenyl group is approximately parallel to one of the two phenyl rings of the benzhydryl group, making a dihedral angle of 12.53 (10)°, and forms a dihedral angle of 41.25 (9)° with the other phenyl ring. In the crystal, weak C-H⋯O inter-actions form a two-dimensional network propagating along the
Peter Mayer   +2 more
openaire   +3 more sources

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