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Investigation Of The Orientation Dependence On Chiroptical Properties Of Single Molecules
chiral dipole emission fluorescence single molecule
2014/11/20
Optical activity is the defining property of chiral materials that is essential for characterization in biology, chemistry, and physics. While a substantial body of research has provided a strong theo...
Density functional theory investigation of electrophilic addition reaction of chlorine to tricyclo[4.2.2.22,5]dodeca-1,5-diene
DFT calculations intrinsic reaction coordinates transannular reactions
2010/2/28
Potential energy surface (PES) of the tricyclo[4.2.2.22,5]dodeca- 1,5-diene (TCDD)-Cl2 system was studied by B3LYP/6-311+G(d,p) method and the configurations [reactants, molecular charge-transfer (CT)...
Investigation of the fuel properties of biodiesel produced over an alumina-based solid catalyst
Biodiesel fuel properties transesterification heterogeneous basic catalyst
2009/6/30
The present study investigated the transesterification process used in the production of canola oil methyl ester from canola oil and methanol over synthesized KF/Al2O3 catalysts. Different amounts of ...
Investigation of Biodiesel Production from Canola Oil Using Amberlyst-26 as a Catalyst
Biodiesel heterogeneous catalyst Amberlyst-26
2009/4/30
The transesterification of canola oil to fatty acid methyl esters was studied using Amberlyst-26 as a solid catalyst. The influence of reaction conditions, such as the reaction time, methanol to oil m...
Synthesis, Spectroscopic and Biological Investigation of Cyclic Octapeptide: Cherimolacyclopeptide G
Cyclic octapeptide cherimolacyclopeptide G antibacterial activity antifungal activity anthelmintic activity cytotoxicity
2008/4/30
A natural cyclic octapeptide cherimolacyclopeptide G (8) was synthesized by coupling of tetrapeptide units Boc-Gly-Ala-Val-Pro-OMe (5) and Boc-Ile-Tyr-Ala-Pro-OMe (6) after proper deprotection at carb...
Investigation of Solid State Synthesis and Characterizations of Novel Sodium Rare-Earth Oxyphosphates
Oxyphosphates Rare-earths Sodium Rare Earth Oxyphosphate Raman powder XRD SEM
2008/2/28
A new orthorhombic phase of Na2LaOPO4 (sodium lanthanum oxyphosphate), and novel Na2NdOPO4 (sodium neodymium oxyphosphate), Na2SmOPO4 (sodium samarium oxyphosphate) were synthesized by solid state rea...
Investigation of Biodiesel Production from Canola Oil using Mg-Al Hydrotalcite Catalysts
Biodiesel transesterification Mg--Al hydrotalcite heterogeneous base catalyst
2007/10/30
Biodiesel produced by the transesterification of vegetable oils is a promising alternative fuel to diesel because of limited fossil fuel resources and environmental concerns. The use of heterogeneous ...
Synthesis of Some Novel 3,5-Diaryl-1,2,4-Triazole Derivatives and Investigation of Their Antimicrobial Activities
Acyl hydrazone 1,2,4-triazole 1,3,4-oxadiazole Schiff base reduction acetylation antimicrobial activity antifungal activity
2007/6/30
A series of acylhydrazones (2a-d) was synthesized from the reactions of iminoester hydrochlorides (1a-e) with acyl hydrazines. 2,5-Dialkyl 1,3,4-oxadiazoles (3a-d) were obtained in the same reaction m...
Investigation of the Voltammetric Characteristics of Poly(1,4-diaminobenzene) Film as a Dopamine-Selective Polymer Electrode
Poly(1,4-diaminobenzene) dopamine ascorbic acid
2007/4/30
Electrochemical polymerization of 1,4-diaminobenzene in the KCl aqueous electrolyte at a potential of 0.600 V versus Ag/AgCl produces adherent poly(1,4-diaminobenzene) film on a gold electrode. The el...
Investigation of Some 1,3-Diols for the Requirements of Solvent Extraction of Boron: 2,2,6-Trimethyl-1,3 Heptanediol as a Potential Boron Extractant
1,3-Diols Solvent Extraction of Boron: 2,2,6-Trimethyl-1,3 Heptanediol
2007/4/30
Eighteen 1,3-diols were synthesized and their structure and distribution ratio for the solvent extraction of boron were studied. Diols with a high distribution ratio (D_{B(OH)_3 > 10) were investigate...
Investigation of the Cation Complexation by Macrocyclic Ethers using 13C NMR Spin--Lattice Dipolar Relaxation Time Measurements
Investigation the Cation Complexation Macrocyclic Ethers using 13C NMR Spin--Lattice Dipolar Relaxation
2006/6/30
The binding constants (Ka) of [18]crown-6 ether with Na+ , K+, and Ba2+ thiocyanates were determined by 13C{1H} NMR spin--lattice dipolar relaxation time measurements. The observed relaxation times (T...
Synthesis of Novel 4-Alkylidene- and 4-Alkylamino-5-oxo-4,5-Dihydro-[1,2,4] triazole Derivatives and Investigation of Their Antitumor Activities
Imine bond antitumor activity capron aldehyde cyclohexane carboxaldehyde 5-oxo-[1,2,4]triazole
2004/10/30
A series of novel 3-alkyl-4-cyclohexylmethylenamino-5-oxo-4,5-dihydro-[1,2,4]triazoles (6a-e) and 3-alkyl-4-hexylidenamino-5-oxo-4,5-dihydro-[1,2,4]triazoles (7b-e) were synthesized from the reaction ...
Bromination of 1-Cyclopent-1-en-1-ylbenzene and 1-(5-Bromocyclopent-1-en-1-yl)benzene and Theoretical Investigation of the Products
Bromination Olefins MM+ AM1 Hartree-Fock (HF) and Density Functional Theory (DFT) calculations
2003/6/30
The bromination of 1-cyclopent-1-en-1-ylbenzene (4) in different solvents and at different temperatures was accompanied by the evolution of hydrogen bromide and yielded 1-(5-bromocyclopent-1-en-1-yl)b...
An Investigation of the Interaction of 4-Membered Rings with Adjacent Carbanion Centers
Carbanions cyclobutylcarbinyl cyclopropylcarbinyl strained molecules
2002/4/30
A series of cyclobutylcarbinyl phenyl ketones was prepared and the rates of base catalyzed hydrogen-deuterium exchange of a -hydrogen atoms were compared with those of appropriate model compounds, to ...
Synthesis and Structure of Systems Containing Pyramidalized and Strained Double Bond: An Investigation on the Cycloaddition Reactions of cis- and trans-3,8-dicarbomethoxy-3,8-dihydroheptalene
Synthesis Structure of Systems Containing Pyramidalized Strained Double Bond An Investigation on the Cycloaddition Reactions of cis- trans-3,8-dicarbomethoxy-3,8-dihydroheptalene
2001/3/30
The cycloaddition reactions of cis-3,8-dicarbomethoxy-3,8-dihydroheptalene cis-2 and trans-3,8-dicarbomethoxy-3,8-dihydroheptalene trans-2 with various dienophiles such as dimethyl acetylenedicarboxyl...