160 articles for the search > VCD
2012 / Tetrahedron: Asymmetry
Herein we report a study of the most stable conformers of the chiral crown ether (all-S)-(18-crown-6)-2,3,11,12-tetracarboxylic acid (18c6H4), which constitutes… Continue reading Conformational landscape of a chiral crown ether: a vibrational circular dichroism spectroscopy and computational study
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
2016 / Journal of Chromatography A
Metolachlor is a chiral herbicide consisting of four stereoisomers, which is typically used as a racemic mixture or is enriched… Continue reading Metolachlor stereoisomers: Enantioseparation, identification and chiral stability
2017 / The Journal of Physical Chemistry A
The vibrational exciton (VE) interpretation of intense bisignated couplets in vibrational circular dichroism (VCD) spectra of a pair of atropisomeric… Continue reading Vibrational Optical Activity of BODIPY Dimers: The Role of Magnetic–Electric Coupling in Vibrational Excitons
2018 / Peptide Science
Ferrocene with its aromaticity and facile redox properties is an attractive moiety to be incorporated into functional moieties. Medicinal applications… Continue reading Synthesis and structure analysis of ferrocene‐containing pseudopeptide
2018 / Molecules
A fungal pathogen soon to be described as Rutstroemia capillus-albis (Rutstroemiaceae, Helotiales, Leotiomycetes) has been identified as the causal agent… Continue reading Phytotoxic Activity of Metabolites Isolated from Rutstroemia sp.n., the Causal Agent of Bleach Blonde Syndrome on Cheatgrass (Bromus tectorum)
2017 / Chirality
The aim of the present work was to test various chiroptical techniques, including in particular the in situ dirhodium methodology,… Continue reading Chirality sensing of bioactive compounds with amino alcohol unit via circular dichroism
2011 / Bulletin of the Chemical Society of Japan
A silver/DBU catalyst system was developed for the effective synthesis of cyclic carbonate and oxazolidinone from the reaction of CO2… Continue reading Silver-Catalyzed Carbon Dioxide Incorporation and Rearrangement on Propargylic Derivatives
2017 / Royal Society of Chemistry
A new cembrane diterpene named incensfuran (1), biogenetically derived from incensole (2), was isolated from crude extracts of the Boswellia papyrifera Hochst.… Continue reading Incensfuran: isolation, X-ray crystal structure and absolute configuration by means of chiroptical studies in solution and solid state
2017 / Nanoscale Horizons
Constructing novel chiral inorganic nanomaterials is an emerging branch in chirality research. In this work, by employing a solid magnesiothermic… Continue reading Self-directing chiral information in solid–solid transformation: unusual chiral-transfer without racemization from amorphous silica to crystalline silicon
2017 / Molecules
Leishmaniosis is a neglected tropical disease which affects several millions of people worldwide. The current drug therapies are expensive and… Continue reading (R)-(−)-Aloesaponol III 8-Methyl Ether from Eremurus persicus: A Novel Compound against Leishmaniosis
2017 / Tetrahedron
A new tetrasubstituted indolylidenepyrandione named colletopyrandione (1), together with a tetrasubstituted chroman- and a tetrasubstituted isocroman-3,5-diol, named colletochlorins G and… Continue reading Colletopyrandione, a new phytotoxic tetrasubstituted indolylidenepyran-2,4-dione, and colletochlorins G and H, new tetrasubstituted chroman- and isochroman-3,5-diols isolated from Colletotrichum higginsianum
2007
In this work, we report vibrational circular dichroism (VCD) spectra in chiral domains induced by circularly polarized light (CPL) irradiation… Continue reading Vibrational Circular Dichroism Spectroscopic Study on Circularly Polarized Light-induced Chiral Domains in the B4 Phase of a Bent Mesogen
2013 / Tetrahedron: Asymmetry
The biological relevance of amino acids is well known. They can be used as zwitterionic, cationic or anionic forms according… Continue reading Conformational landscape of l-threonine in neutral, acid and basic solutions from vibrational circular dichroism spectroscopy and quantum chemical calculations
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
2012 / New Journal of Chemistry
A survey of the Cambridge Crystallographic Database reveals that there are 17 1H-indazoles forming dimers (7), trimers (4) and catemers… Continue reading The chiral structure of 1H-indazoles in the solid state: a crystallographic, vibrational circular dichroism and computational study
2015 / Journal of Molecular Graphics and Modelling
A thorough DFT and MM study of the conformational landscape, molecular and electronic structures of (−)-S-anabasine is reported aimed to… Continue reading Conformational properties of chiral tobacco alkaloids by DFT calculations and vibrational circular dichroism: (−)-S-anabasine
2012 / Tetrahedron: Asymmetry
Herein we report a study of the most stable conformers of the chiral crown ether (all-S)-(18-crown-6)-2,3,11,12-tetracarboxylic acid (18c6H4), which constitutes… Continue reading Conformational landscape of a chiral crown ether: a vibrational circular dichroism spectroscopy and computational study
2020 / Scientific Reports
A chemical study of the EtOAc extract of Nemania bipapillata (AT-05), an endophytic fungus isolated from the marine red alga Asparagopsis taxiformis – Falkenbergia stage, led… Continue reading Botryane terpenoids produced by Nemania bipapillata, an endophytic fungus isolated from red alga Asparagopsis taxiformis – Falkenbergia stage
2021 / Anal. Chem. 2021, 93, 5, 2742–2748
We developed a multidimensional vibrational circular dichroism system with a positional coordinate, making it possible to move in both x-… Continue reading Multidimensional Vibrational Circular Dichroism Apparatus Equipped with Quantum Cascade Laser and Its Use for Investigating Some Peptide Systems Containing d-Amino Acids
