Results 291 to 300 of about 41,455 (313)

Oxidative decarboxylation of unsaturated fatty acids

European Journal of Lipid Science and Technology, 2011
Long-chain internal olefins were prepared by silver(II)-catalyzed oxidative decarboxylation of unsaturated fatty acids by sodium peroxydisulfate. Similar to saturated carboxylic acids, 1-alkenes were the major decarboxylation product in the additional presence of copper(II), whereas in the absence of copper(II) alkanes were predominantly formed.
van der Klis, F., van den Hoorn, M.H., Blaauw, R., van Haveren, J., van Es, D.S.   +4 more
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Photoredox‐Catalyzed Decarboxylative Oxidation of Arylacetic Acids [PDF]

Chemistry – An Asian Journal, 2018
AbstractA photoredox‐catalyzed decarboxylative oxidation of arylacetic acids, which are privileged scaffolds in pharmaceuticals, is reported herein. The established method is operationally simple and a variety of substrates are applicable, providing rapid access to dehomologated bioisosteres of common pharmaceuticals.
Yota Sakakibara, Phillippa Cooper, Kei Murakami, Kenichiro Itami   +3 more
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Oxidative Decarboxylation of Benzoic Acid by Peroxyl Radicals

Free Radical Biology and Medicine, 1998
A chemical model based on the thermal decomposition of AAPH (2,2'-azobis(2-amidinopropane) dihydrochloride is used for the production of peroxyl radicals. Peroxyl radicals induces the decarboxylation of [7-13C]benzoic acid and the production of 13CO2, which is measured by gas chromatography-isotope ratio mass spectrometry (GC-IRMS). The decarboxylation
Lamrini, R., Lacan, P., Francina, A., Guilluy, R., Desage, M., Michon, Jean, Becchi, M., Brazier, Jl   +7 more
openaire   +4 more sources

ChemInform Abstract: Oxidative Decarboxylation of Podocarpic Acid Derivatives.

ChemInform, 1998
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Peter S. Rutledge, C. E. F. Rickard, Perry K. Davy, Lorna Helen Mitchell, Richard C. Cambie   +4 more
openaire   +3 more sources

Alkenes from acids by oxidative decarboxylation

Tetrahedron, 1968
Abstract Primary and secondary acids can be readily decarboxylated to alkenes by PbIV tetraacetate in the presence of catalytic amounts of cupric acetate. Terminal alkenes are formed quantitatively from primary acids, but conversions are limited by competitive decarboxylation of acetate.
John D. Bacha, Jay K. Kochi
openaire   +2 more sources

The oxidation and decarboxylation of retinoic acid by horseradish peroxidase

Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metabolism, 1979
The decarboxylation of retinoic acid by horseradish peroxidase was investigated. A marked increase in the yield of products was obtained. However, the data indicated the reaction was a nonenzymatic, heme catalyzed peroxidation. Previously reported requirements for phosphate, oxygen and ferrous ion were eliminated when hydrogen peroxide was provided ...
R.M. McKenzie, E.G. Nelson
openaire   +3 more sources

ChemInform Abstract: OXIDATIVE DECARBOXYLATION OF TOLUIC ACIDS TO CRESOLS

Chemischer Informationsdienst, 1983
AbstractDie oxidative Decarboxylierung verschiedener Tolylsäuren (I) mit Kupferoxid und Sauerstoff zu den Kreso‐ len (II) wird als Funktion einer Reihe von Parametern untersucht; die maximal erzielte Ausbeute liegt bei 70 %.
J. N. Chatterjea, M. P. Sharma
openaire   +3 more sources

Decarboxylation of Oxidized Single-Wall Carbon Nanotubes

Journal of Nanoscience and Nanotechnology, 2007
A classical protocol widely used in organic chemistry of aromatic and polyaromatic molecules has been successfully applied in this work for the decarboxylation of oxidized single-wall carbon nanotube (SWNT) to rend C-H SWNT derivatives. SWNT produced by arc discharge method have been oxidized during a purification process using strongly oxidant agents,
Roberto L. Moreira, R. Mendonça, Clascídia A. Furtado, Adelina P. Santos, H. S. Vieira, W. A. A. Macedo, Marcos A. Pimenta, Lúcia Pinheiro Santos Pimenta, Ado Jorio, M. D. Martins, D. M. Andrada, Honória de Fátima Gorgulho   +11 more
openaire   +3 more sources

Non-Oxidative Decarboxylation of Glycine Derivatives by a Peroxidase

Journal of the American Chemical Society, 2002
Under anaerobic, peroxide-free conditions (pH 5.5, 25 degrees C), horseradish peroxidase (HRP) catalyzes the rapid, non-oxidatve decarboxylation of N-alkyl-N-phenylglycine derivatives to the corresponding N-alkyl-N-methylanilines in 100% yield. When the reaction is conducted in D2O buffer, the product contains a single deuterium in the methyl group ...
Rheem A. Totah, Robert P. Hanzlik
openaire   +3 more sources

Oxidative photochemical decarboxylation of zaragozic acid A

Experientia, 1995
A unique decomposition reaction of the novel squalene synthase inhibitors called zaragozic acids has been studied. Under very mild conditions, e.g. by merely exposing their solutions to air and visible light at ambient temperature, these compounds, characterized by the 2,8-dioxabicyclo[3.2.1]octane-4,6,7-trihydroxy-3,4,5-tricarboxylic acid core ...
John G. MacConnell, Randall R. Miller, Laszlo R. Treiber, George A. Doss, L. Huang, Byron H. Arison, Ralph A. Stearns   +6 more
openaire   +2 more sources