Results 41 to 50 of about 81,314 (317)

DIHYDROXYFUMARIC ACID TRANSFORMATION [PDF]

open access: yesChemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2008
This short communication presents several preliminary results obtained during kinetic investigation of dihydroxyfumaric acid decarboxylation. The reaction order towards the hydrogen ions concentration has been established, the correlation between the ...
Natalia Secara
doaj  

Switchable Decarboxylation by Energy- or Electron-Transfer Photocatalysis [PDF]

open access: yes, 2022
Kolbe dimerization and Hofer-Moest reactions are well-investigated carboxylic acid transformations, wherein new carbon–carbon and carbon–heteroatom bonds are constructed via electrochemical decarboxylation.
Kei, Murakami   +2 more
core   +2 more sources

Decarboxylation of 2-keto fatty acids by brain

open access: yesJournal of Lipid Research, 1966
An enzyme system consisting of washed acetone powder of pig brain, adenosine triphosphate, nicotinamide adenine dinucleotide, magnesium, fumaric acid, and ascorbic acid was found to catalyze the oxidative decarboxylation of 2-ketostearic acid.
W. Ewart Davies   +4 more
doaj   +1 more source

Digital Technologies Applied to Control the One-Step Process of Cannabis Olive Oil Preparations

open access: yesPharmaceutics, 2023
The reproducibility of an extemporaneous preparation is an essential condition for guaranteeing the quality, efficacy, and safety of the medicinal product.
Paolo Bongiorno   +7 more
doaj   +1 more source

New reactions under homogeneous conditions [PDF]

open access: yes, 2008
BDTBPMB has been proven to be an essential ligand in carbonylation chemistry. Its two tert-butyl groups and wide bite angle give it the ideal characteristics for this kind of chemistry, and leads to high activity and selectivity with use of its ...
Núñez Magro, Ángel Alberto
core   +2 more sources

An Update of Transition Metal-Catalyzed Decarboxylative Transformations of Cyclic Carbonates and Carbamates

open access: yesMolecules, 2019
Functionalized cyclic organic carbonates and carbamates are frequently used in a number of transition metal-catalyzed decarboxylative reactions for the construction of interesting molecules.
Linhong Zuo   +3 more
doaj   +1 more source

The Fate of Sulfur Radical Cation of N-Acetyl-Methionine: Deprotonation vs. Decarboxylation

open access: yesPhotochem, 2023
In the present study, we investigated the photooxidation of the biomimetic model of C-terminal methionine, N-Acetyl-Methionine (N-Ac-Met), sensitized by a 3-Carboxybenzophenone (3CB) excited triplet in neutral and basic aqueous solutions. The short-lived
Katarzyna Grzyb   +2 more
doaj   +1 more source

A Palladium-Catalyzed 4CzIPN-Mediated Decarboxylative Acylation Reaction of O-Methyl Ketoximes with α-Keto Acids under Visible Light

open access: yesMolecules, 2022
This work presents a palladium-catalyzed oxime ether-directed ortho-selective benzoylation using benzoylformic acid as the acyl source with a palladium catalyst and 4CzIPN as the co-catalyst under light.
Cheng Wang   +3 more
doaj   +1 more source

Hydrocarbon Synthesis via Photoenzymatic Decarboxylation of Carboxylic Acids

open access: yesJournal of the American Chemical Society, 2019
A recently discovered photodecarboxylase from Chlorella variabilis NC64A (CvFAP) bears the promise for the efficient and selective synthesis of hydrocarbons from carboxylic acids.
Wu-Yuan Zhang   +11 more
semanticscholar   +1 more source

Enantioselective Synthesis of Chromanones Bearing an α,α-Disubstituted α-Amino Acid Moiety via Decarboxylative Michael Reaction

open access: yesMolecules, 2019
In this manuscript, a novel, decarboxylative Michael reaction between α-substituted azlactones and chromone-3-carboxylic acids is described. The reaction proceeds in a sequence Michael addition followed by decarboxylative deprotonation, and it ...
Jan Bojanowski   +2 more
doaj   +1 more source

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