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686468

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Sylwester Kurcoń et al.
The Journal of organic chemistry, 78(8), 4115-4122 (2013-04-03)
Heptamethyl cobyrinate was transformed into hexamethyl 8-nor-cobyrinate. The crucial step involved the synthesis of new, vitamin B12 derived cobryketone via palladium-catalyzed cleavage of the sp(3)-sp(3) carbon-carbon bond with the liberation of the ketone. The replacement of sp(3) carbon atom with...
V Volarevic et al.
Journal of B.U.ON. : official journal of the Balkan Union of Oncology, 18(1), 131-137 (2013-04-25)
As novel therapeutic agents relevant to colon cancer therapy are explored continuously, we tested 4 R2edda-type ligand precursors O,O'-dialkyl esters of (S,S)-ethylenediamine-N,N'-di-2-(4-methyl)pentanoic acid (L1.2HCl-L4.2HCl) and corresponding palladium(II) and platinum(II) complexes against the human colon cancer cell lines CaCo-2, SW480 and...
Gary A Molander et al.
The Journal of organic chemistry, 78(8), 4123-4131 (2013-04-11)
A method has been developed for the Pd-catalyzed synthesis of α-(hetero)aryl esters and amides through a Suzuki-Miyaura cross-coupling reaction. This method avoids the use of strong base, does not necessitate inert or low temperature formation of reagents, and does not...
Daniel Smykowski et al.
Journal of molecular graphics & modelling, 41, 89-96 (2013-03-21)
This study is the analysis of the adsorption process of the CO2 molecule on the cationic sites of the DOH zeolite. Based on the DFT method, we have been able to identify several adsorption sites containing extra-framework cations and evaluate...
S I Klimarev et al.
Aviakosmicheskaia i ekologicheskaia meditsina = Aerospace and environmental medicine, 47(2), 37-41 (2013-07-03)
The article presents a possible design of an atmosphere revitalization system (ARS) as a component part of a new generation life support system (LSS). The main goal of the test investigation was to block formation of solid hard-to-remove carbon as...
Ling Li et al.
Nature chemistry, 5(7), 607-612 (2013-06-22)
The development of transition metal-catalysed cross-coupling reactions has greatly influenced the manner in which the synthesis of complex organic molecules is approached. A wide variety of methods are now available for the formation of C(sp(2))-C(sp(2)) bonds, and more recent work...
Palladium(II)-catalyzed alkene functionalization via nucleopalladation: stereochemical pathways and enantioselective catalytic applications.
Richard I McDonald et al.
Chemical reviews, 111(4), 2981-3019 (2011-03-25)
Qing-An Chen et al.
Chemical Society reviews, 42(2), 497-511 (2012-11-10)
The transition metal catalyzed asymmetric hydrogenation of unsaturated compounds arguably presents one of the most attractive methods for the synthesis of chiral compounds. Over the last few decades, Pd has gradually grown up as a new and popular metal catalyst...
Xiao-Feng Wu et al.
ChemSusChem, 6(2), 229-241 (2013-01-12)
Palladium-catalyzed coupling reactions have become a powerful tool for advanced organic synthesis. This type of reaction is of significant value for the preparation of pharmaceuticals, agrochemicals, as well as advanced materials. Both, academic as well as industrial laboratories continuously investigate...
A K Grekhova et al.
Biomeditsinskaia khimiia, 59(1), 107-114 (2013-05-09)
A comparative study on the genotoxic activity of cisplatin versus morfozol, the first representative of a new class of cation-anion complexes of palladium [AH]2[PdCl4] (where A-methylmorpholine) has been performed using human lymphocytes in vitro. The results of the DNA-DNA cross-linking...
Pazhamalai Anbarasan et al.
Chemical Society reviews, 40(10), 5049-5067 (2011-04-30)
The palladium-catalyzed cyanation of Ar-X (X = I, Br, Cl, OTf, and H) allows for an efficient access towards benzonitriles. After its discovery in 1973 and following significant improvements in recent decades, this methodology has become nowadays the most popular...
Kiyofumi Inamoto
Chemical & pharmaceutical bulletin, 61(10), 987-996 (2013-10-04)
Herein, we describe our development of synthetic methods for heterocyclic compounds based on the palladium-catalyzed carbon-hydrogen bond (C-H) functionalization/intramolecular carbon-heteroatom (nitrogen or sulfur) bond formation process. By this C-H cyclization method, we efficiently prepared various N-heterocycles, including indazoles, indoles, and...
Elisaveta Mladenova et al.
Journal of separation science, 35(10-11), 1249-1265 (2012-06-27)
A simple classification of various sorbents and solid-phase extraction procedures used for preconcentration of trace levels of Au, Pd, and Pt from different sample types is proposed in this review article. The large variety of available sorbents/procedures has been organized...
Stephan Enthaler et al.
Chemical Society reviews, 40(10), 4912-4924 (2011-06-07)
The formation of oxygen-carbon bonds is one of the fundamental transformations in organic synthesis. In this regard the application of palladium-based catalysts has been extensively studied during recent years. Nowadays it is an established methodology and the success has been...
Amar B Karki et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(23), 9283-9288 (2013-05-22)
The attractive/repulsive relationship between superconductivity and magnetic ordering has fascinated the condensed matter physics community for a century. In the early days, magnetic impurities doped into a superconductor were found to quickly suppress superconductivity. Later, a variety of systems, such...
Abdellatif Essoumhi et al.
Journal of nanoscience and nanotechnology, 14(2), 2012-2023 (2014-04-23)
This review reports on the recent advances in the synthesis and physico-chemical properties of palladium-containing perovskites. Initially, the perovskite structure is briefly reviewed, then palladium-containing perovskites synthesis and physico-chemical properties are detailed. The applications of palladium-containing perovskites in catalysis; namely...
Sandeep N Raikar et al.
The Journal of organic chemistry, 78(8), 3832-3846 (2013-03-26)
Cu-catalyzed three-component coupling of imines with benzoyl chloride and terminal arylalkynes followed by enyne ring-closing metathesis (RCM) and Heck cyclization afforded medicinally relevant benzoindolines, cyclopropane-fused indenopyridines, pyrroloquinolines, or 1,7-tetrahydrophenanthrolines via divergent cyclization pathways. Unexpectedly, the Pd-catalyzed cyclization of heterocyclic dienes...
Meng Wang et al.
Organic & biomolecular chemistry, 11(16), 2574-2577 (2013-03-15)
A novel Pd/Cu catalyzed domino reaction for the synthesis of functionalized pyrrolo[1,2-b]pyridazines from readily accessible (hetero)aryl propargyl alcohols and 1-amino-2-bromopyrroles was developed. This cascade process involves a Sonogashira cross-coupling reaction, an isomerization and an intramolecular condensation.
Z Y Bian et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 67(8), 1873-1879 (2013-04-13)
A Pd/C gas-diffusion cathode which generated H2O2 through a two-electron reduction process of fed oxygen molecule was used to degrade 4-chlorophenol in an undivided electrolysis device. The kinetics of 4-chlorophenol degradation has been investigated by the electrochemical oxidation processes. By...
Maryam Ghanbarian et al.
Journal of AOAC International, 96(4), 880-886 (2013-09-05)
A new displacement-dispersive liquid-liquid microextraction method based on the solidification of floating organic drop was developed for separation and preconcentration of Pd(ll) in road dust and aqueous samples. This method involves two steps of dispersive liquid-liquid microextraction based on solidification....
Update 1 of: Synthesis and functionalization of indoles through palladium-catalyzed reactions.
Sandro Cacchi et al.
Chemical reviews, 111(5), PR215-PR283 (2011-05-12)
Haijun Zhang et al.
Journal of nanoscience and nanotechnology, 13(8), 5405-5412 (2013-07-26)
Low-coordination Au sites have been proved to play a key role in defining the catalytic activity of Au nanoclusters (NCs). At the present time, it is still of great interest and challenge to design and synthesize catalysts containing the desired...
Synthesis of heterocycles via palladium-catalyzed carbonylations.
Xiao-Feng Wu et al.
Chemical reviews, 113(1), 1-35 (2012-10-09)
Jana Doháňošová et al.
Molecules (Basel, Switzerland), 18(6), 6173-6192 (2013-05-28)
The palladium (II)-catalysed reactions of alkenols and aminoalkenols such as oxycarbonylations or bicyclisations are powerful methods for the construction of oxygen and nitrogen-containing heterocyclic compounds. This review highlights recent progress in the development of the asymmetric palladium(II)-catalysed Wacker-type cyclisations of...
Feng Zhao et al.
Organic letters, 15(7), 1520-1523 (2013-04-06)
A palladium-catalyzed approach for the synthesis of diarylmethanes from sodium sulfinates and benzyl chlorides is described. Various aromatic sodium sulfinates were used as aryl sources via extrusion of SO2 and gave the diarylmethanes in moderate to good yields.
Izabela Czekaj et al.
Chimia, 67(4), 271-274 (2013-08-24)
This research is focused on the analysis of adsorbed CH4 intermediates at oxidized Pd9 nanoparticles supported on gamma-alumina. From first-principle density functional theory (DFT) calculations, several configurations, charge transfer and electronic density of states have been analyzed in order to...
Eduardo J García-Suárez et al.
Recent patents on nanotechnology, 7(3), 247-264 (2012-09-06)
In the last fifteen-years, the application of metal nanoparticles as catalysts in organic synthesis has received a renewed interest. Therefore, much attention is currently being paid to the synthesis of metal nanoparticles in order to achieve the control of their...
Masahiro Toyota
Natural product communications, 8(7), 999-1004 (2013-08-29)
A novel palladium-catalyzed intramolecular oxidative alkylation of unactivated olefins is described. This protocol was devised to solve one of the drawbacks of the original palladium-catalyzed cycloalkenylation that we developed. We call this new procedure the 'second generation palladium-catalyzed cycloalkenylation'. This...
Ying Xia et al.
Organic letters, 15(7), 1784-1787 (2013-03-29)
Palladium-catalyzed reductive coupling reactions between N-tosylhydrazones and aryl halides lead to the formation of C(sp(3))-C(sp(2)) bonds. This approach provides a general route for the synthesis of triarylmethanes.
Bin Kim et al.
Journal of nanoscience and nanotechnology, 13(1), 517-522 (2013-05-08)
In order to form flexible printed circuits through inkjet printing technique, the Pd(ll) catalyst ink was printed on the surface of polyimide film modified with KOH solution and then reduced with NaBH4 solution to extract the Pd(O) catalyst nuclei. The...
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