Found 9617 Results / Page 175 of 481
2015 / European Chemical Bulletin
In the present work, synthesis of silver nanoparticles has been done using a particular variety of medicinal plant extract. Silver… Continue reading Synthesis of plant-mediated silver nanoparticles using ficus microcarpa leaf extract and evaluation of their antibacterial activities
2019 / American Chemical Society
FeS2 nanocrystals with the diameter of more than several dozen nanometers exhibit well-defined optical extinction peaks in a near-infrared region.… Continue reading Mie Resonance-Enhanced Light Absorption of FeS2 Nanocubes in a Near-Infrared Region: Intraparticulate Synergy between Electronic Absorption and Mie Resonances
2019 / Science Advances 06 Sep 2019: Vol. 5, no. 9, eaax0937 DOI: 10.1126/sciadv.aax0937
Carbonic anhydrase (CA) IX overexpresses exclusively on cell membranes of hypoxic tumors, regulating the acidic tumor microenvironment. Small molecules of… Continue reading New power of self-assembling carbonic anhydrase inhibitor: Short peptide–constructed nanofibers inspire hypoxic cancer therapy
2019 / Journal of the American Chemical Society
A synthesis of chiral hydrocarbons having C1 axis and C3 symmetry, which owe their chirality due to asymmetrical distribution of… Continue reading Asymmetric Synthesis and Stereochemical Assignment of 12C/13C Isotopomers
2018
2019 / Journal of Fluorine Chemistry
The enantioselective electrophilic fluorination of α-aryl-tetralones is promoted by cinchonine/selectfluor combinations. This strategy allows a facile synthesis of the corresponding… Continue reading Enantioselective electrophilic fluorination of α-aryl-tetralones using a
preparation of N-fluoroammonium salts of cinchonine
2019 / Polymer Chemistry
It has been generally recognized that chiral inorganic materials can be efficiently fabricated via a templated-synthesis route in the presence of chiral… Continue reading Chiroptical phenolic resins grown on chiral silica-bonded amine residues
2019 / Tetrahedron
2019 / Journal of Agricultural and Food Chemistry
The enantiomers of a homologous series (C6–C10) of 2-mercapto-4-alkanones were obtained by lipase-catalyzed kinetic resolution of the corresponding racemic 2-acetylthio-4-alkanones.… Continue reading Determination of the Absolute Configurations and Sensory Properties of the Enantiomers of a Homologous Series (C6–C10) of 2-Mercapto-4-alkanones
2019 / RSC Advances
The VCD spectra of several chiral compounds containing the CF3 group are reviewed and analyzed. The list of compounds contains pharmaceutically… Continue reading CF3: an overlooked chromophore in VCD spectra. A review of recent applications in structural determination
2013 / The Journal of Physical Chemistry B
We report on a combined experimental and computational study of the chiral recognition of the amino acid serine in protonated… Continue reading Chiral Recognition of Amino Acid Enantiomers by a Crown Ether: Chiroptical IR-VCD Response and Computational Study
2013
The behavior of L-cysteine (C3H7NO2S, (2R)-2- amino-3-sulfanylpropanoic acid) in water at different pH values was analyzed both experimentally and theoretically.… Continue reading Deducing the molecular properties of zwitterionic, protonated, deprotonated, and double-deprotonated forms of L-cysteine from vibrational spectroscopy (IR, Raman, VCD) and quantum chemical calculations
2009 / Chirality
The interest of circular dichroism in the solid state is stimulated by sev-eral needs, such as the desire to get… Continue reading Experimental Aspects of Solid State Circular Dichroism
2012 / Chemical Physics
Apomorphine is a chiral drug molecule; notwithstanding its extraordinary importance, little attention has been paid to the characterization of its… Continue reading Electronic and vibrational circular dichroism spectra of (R)-(−)-apomorphine
2015 / ChemPhysChem
The implementation of a strategy comprising the use of vibrational circular dichroism spectroscopy and DFT calculations allows determination of the… Continue reading DFT‐Aided Vibrational Circular Dichroism Spectroscopy Study of (−)‐S‐cotinine
2008 / The Journal of Physical Chemistry A
S-(−)-Perillaldehyde (4-isopropenylcyclohex-1-ene-1-carbaldehyde) is a secondary metabolite and an atmospheric pollutant obtained from the oxidation of other terpenes, as limonene and… Continue reading Conformational Flexibility in Terpenes: Vibrational Circular Dichroism (VCD), Infrared and Raman Study of S-(−)-Perillaldehyde
2009 / Angewandte Chemie
Chiral discs: Seemingly flat disc‐like molecules form a columnar phase and spontaneously segregate into macroscopic chiral domains (deracemization). Quantum chemical… Continue reading Spontaneous Deracemization of Disc‐like Molecules in the Columnar Phase
2018 / CHEMISTRY CRYSTENG
This paper reports on the polymorphism of 2-propyl-1H-benzimidazole (2PrBzIm) induced by temperature change. Upon heating, an irreversible reconstructive-type phase transition… Continue reading Conformational aspects of polymorphs and phases of 2-propyl-1H-benzimidazole
2012 / Tetrahedron: Asymmetry
(S)-(−)-Perillyc acid (4-isopropenylcyclohexene-1-carboxylic acid) is an intermediate in the limonene and pinene pathway degradation and its measurement in urine is… Continue reading Conformational landscape and hydrogen bonding in (S)-(−)-perillyc acid: experimental VCD, IR, Raman, and theoretical DFT studies
2017 / Physical Chemistry Chemical Physics
1H-Indazole derivatives exhibit a remarkable property since some of them form chiral supramolecular structures starting from achiral monomers. The present… Continue reading Supramolecular organization of perfluorinated 1H-indazoles in the solid state using X-ray crystallography, SSNMR and sensitive (VCD) and non sensitive (MIR, FIR and Raman) to chirality vibrational spectroscopies
