Results 301 to 310 of about 12,068,996 (359)
Production Of 11C‐Labeled Amides Via “In‐Loop” 11C‐Carbonylation
Asian Journal of Organic Chemistry, EarlyView.The current work utilizes carbon‐11 labelled aroyl dimethylaminopyridinium salts in a two‐step in‐loop carbonylative cross‐coupling reaction of aryl halides with [¹¹C]CO yielding a diverse range of carbon‐11 labelled primary benzamides with good to excellent yields.
Tanpreet Kaur +3 more
wiley +1 more source
Thiophene Containing Polycyclic Aromatic Hydrocarbon Monkey Saddles
Asian Journal of Organic Chemistry, EarlyView.A series of thiophene containing polycyclic aromatic hydrocarbon monkey saddles is presented. The core structure was successfully functionalized to tune the optoelectronic properties and furthermore path the way to use these monkey saddles as building block, for example for oligomeric structures as well as organic cage compounds.
Tobias Kirschbaum +6 more
wiley +1 more source
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Catalysis from A to Z, 2020
• Traditional kinetics studies do not provide information as to what bonds are broken/formed and changes in hybridization that occur during the rate-limiting step of a reaction. • Isotope effects can provide this information.
J. Bargon
semanticscholar +1 more source
• Traditional kinetics studies do not provide information as to what bonds are broken/formed and changes in hybridization that occur during the rate-limiting step of a reaction. • Isotope effects can provide this information.
J. Bargon
semanticscholar +1 more source
Diffusion Isotope Effects in Isotope Mixtures
Berichte der Bunsengesellschaft für physikalische Chemie, 1972AbstractThe tracer diffusion of deuterium and tritium in the β‐phase of PdHn has been measured by means of special techniques, the time lag method with mass spectrometer or counter tube as detector, and the decay function of isotope exchange. It has been found that D atoms as tracer in β‐PdHn, i.e.
G. Sicking, E. Wicke, E. Gans, B. Bonn
openaire +2 more sources
ChemInform, 2005
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Adam G. Cassano +2 more
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AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Adam G. Cassano +2 more
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The effect of the thermodynamic isotope effect on the distribution of isotopic molecules [PDF]
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science, 1961 1. The thermodynamic isotope effect (TIE) may cause the distribution of isotopic molecules to differ substantially from the statistical distribution, especially in the case of light elements. 2. A method is indicated for setting up a system of algebraic equations, the solution of which makes it possible to calculate the concentration of ...
openaire +1 more source
Isotope Effects in Plasmonic Photosynthesis
Angewandte Chemie, 2020AbstractThe photoexcitation of plasmonic nanoparticles has been shown to drive multistep, multicarrier transformations, such as the conversion of CO2 into hydrocarbons. But for such plasmon‐driven chemistry to be precisely understood and modeled, the critical photoinitiation step in the reaction cascade must be identified.
Sungju Yu, Sungju Yu, Prashant K. Jain
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Medical applications of Cu, Zn, and S isotope effects.
Metallomics, 2016This review examines recent applications of stable copper, zinc and sulfur isotopes to medical cases and notably cancer. The distribution of the natural stable isotopes of a particular element among coexisting molecular species varies as a function of ...
F. Albarède +8 more
semanticscholar +1 more source
Electrochemical Isotope Effect and Lithium Isotope Separation
Journal of the American Chemical Society, 2009A large electrochemical isotopic effect is observed upon the electrodeposition of lithium from solutions of propylene carbonate producing isotopically light metal deposits. The magnitude of fractionation is controlled by the applied overpotential and is largest close to equilibrium.
William F. McDonough +4 more
openaire +3 more sources