Results 41 to 50 of about 292,300 (359)

Sorption kinetics for the removal of aldehydes from aqueous streams with extractant impregnated resins [PDF]

open access: yes, 2008
The sorption kinetics for the removal aldehydes from aqueous solutions with Amberlite XAD-16 and MPP particles impregnated with Primene JM-T was investigated.
Babic, Katarina   +2 more
core   +2 more sources

Rhodium-catalysed hydroformylation of N-(2-propenyl)-β-lactams as a key step in the synthesis of functionalised N-[4-(2-oxoazetidin-1-yl)but-1-enyl]acetamides [PDF]

open access: yes, 2010
Biologically relevant functionalised N-[4-(2-oxoazetidin-1-yl)but-1-enyl]acetamides have been prepared in a two-step approach starting from N-(2-propenyl)-beta-lactams, involving initial rhodium-catalysed hydroformylation followed by subjection of the ...
D'hooghe, Matthias   +4 more
core   +2 more sources

An environmentally benign one-pot synthesis of 1,2-dihydro-1-aryl-3H-naphth[1,2-e][1,3]oxazin-3-one derivatives catalysed by phosphomolybdic acid [PDF]

open access: yesJournal of the Serbian Chemical Society, 2011
A phosphomolybdic acid catalysed novel method for the synthesis of 1,2-dihydro-1-aryl-3H-naphth[1,2-e][1,3]oxazin-3-one derivatives by a one-pot, three-component reaction of β-naphthol, aromatic aldehydes and urea in excellent yields is described.
ATUL CHASKAR   +4 more
doaj  

N‐heterocyclic carbene catalyzed photoenolization/Diels–Alder reaction of acid fluorides [PDF]

open access: yes, 2019
The combination of light activation and N‐heterocyclic carbene (NHC) organocatalysis has enabled the use of acid fluorides as substrates in a UVA‐light‐mediated photochemical transformation previously observed only with aromatic aldehydes and ketones ...
Agrawal, Arush   +6 more
core   +1 more source

One-pot synthesis of 1,3,5-triazine-2,4-dithione derivatives via three-component reactions

open access: yesBeilstein Journal of Organic Chemistry, 2020
A catalyst-free one-pot synthetic methodology was developed for the preparation of 1,3,5-triazine-2,4-dithione derivatives through three-component reactions of arylaldehydes, thiourea, and orthoformates.
Gui-Feng Kang, Gang Zhang
doaj   +1 more source

Deoxydichlorination of aldehydes catalyzed by Diphenyl sulfoxide

open access: yesChimica Techno Acta, 2021
The diphenyl sulfoxide-catalyzed conversion of aldehydes to 1,1-dichlorides is reported. The reaction proceeds via a sulfurous (IV)-catalysis manifold in which diphenyl sulfoxide turnover is achieved using oxalyl chloride as a consumable reagent.
I. A. Gorbunova   +2 more
doaj   +1 more source

Effect of torrefaction pretreatment on the pyrolysis of rubber wood sawdust analyzed by Py-GC/MS [PDF]

open access: yes, 2018
The aim of this study was to investigate the effect of torrefaction on the pyrolysis of rubber wood sawdust (RWS) using pyrolysis–gas chromatography/mass spectrometry (Py-GC/MS).
Chen, Wei-Hsin   +4 more
core   +1 more source

Oxidation of Aldehydes Used as Food Additives by Peroxynitrite

open access: yesAntioxidants, 2023
Benzaldehyde and its derivatives are used as food supplements. These substances can be used mainly as flavorings or as antioxidants. Besides, peroxynitrite, an oxidizing agent, could be formed in canned food. Both species could react between them.
Clara I. Alcolado   +5 more
doaj   +1 more source

Chemically Mediated Arrestment of the Bed Bug, Cimex lectularius, by Volatiles Associated with Exuviae of Conspecifics. [PDF]

open access: yes, 2016
Extracts of the exuviae (cast skins) of nymphal bed bugs (Cimex lectularius) were analyzed for volatile compounds that might contribute to arrestment of adult bed bugs. Four volatile aldehydes, (E)-2-hexenal, 4-oxo-(E)-2-hexenal, (E)-2-octenal, and 4-oxo-
Choe, Dong-Hwan   +3 more
core   +2 more sources

The role of lipid metabolism in neuronal senescence

open access: yesFEBS Open Bio, EarlyView.
Disrupted lipid metabolism, through alterations in lipid species or lipid droplet accumulation, can drive neuronal senescence. However, lipid dyshomeostasis can also occur alongside neuronal senescence, further amplifying tissue damage. Delineating how lipid‐induced senescence emerges in neurons and glial cells, and how it contributes to ageing and ...
Dikaia Tsagkari   +2 more
wiley   +1 more source

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