Articles with "solvent dependent" as a keyword



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Solvent-dependent inversion of circular dichroism signal in naproxen: An unusual effect!

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Published in 2018 at "Chirality"

DOI: 10.1002/chir.22988

Abstract: The electronic circular dichroism (ECD) spectra of naproxen enantiomers were studied as a function of solvents using experimental (circular dichroism) and theoretical (time-dependent density functional theory) approaches. The (R)- and (S)-naproxen enantiomers presented an unusual… read more here.

Keywords: dichroism; solvent dependent; inversion circular; circular dichroism ... See more keywords
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Solvent-dependent helix inversion in optically active poly(diphenylacetylene)s and their chiral recognition abilities as chiral stationary phases for high-performance liquid chromatography.

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Published in 2022 at "Chirality"

DOI: 10.1002/chir.23416

Abstract: We report the first example of solvent-dependent helix inversion in poly(diphenylacetylene) (PDPA) derivatives. Asymmetrically substituted PDPAs bearing optically active substituents linked through amide bonds formed preferred-handed helical conformations because of the optically active substituents in… read more here.

Keywords: dependent helix; solvent dependent; optically active; helix inversion ... See more keywords
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Solvent‐Dependent Reactivity and Photochemistry of Dinuclear and Mononuclear Platinum(IV) Azido Triazaolato Complexes

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Published in 2021 at "European Journal of Inorganic Chemistry"

DOI: 10.1002/ejic.202100041

Abstract: Abstract Reaction between the platinum(IV) azido complex trans,trans,trans‐[Pt(py)2(N3)2(OH)2] (1) and 1,4‐diphenyl‐2‐butyne‐1,4‐dione 2 in MeCN produces the intermediate peroxide‐bridged dimeric platinum(IV) azido triazolato species (5), which has been characterised by X‐ray crystallography. However, if the reaction… read more here.

Keywords: platinum azido; dependent reactivity; platinum; trans trans ... See more keywords
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Solvent-dependent transformation of aflatoxin B1 in soil

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Published in 2017 at "Mycotoxin Research"

DOI: 10.1007/s12550-017-0278-x

Abstract: To date, all studies of aflatoxin B1 (AFB1) transformation in soil or in purified mineral systems have identified aflatoxins B2 (AFB2) and G2 (AFG2) as the primary transformation products. However, identification in these studies was… read more here.

Keywords: afb1 soil; solvent dependent; transformation; soil ... See more keywords
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Solvent-dependent and visible light-activated NIR photochromic dithienylethene modified by difluoroboron β-diketonates as fluorescent turn-on pH sensor

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Published in 2019 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2018.10.049

Abstract: Abstract The development of near-infrared (NIR) photochromic materials, particularly activated by visible light, are of increasing interest for their potential application in photoresponsive optoelectronics and functional bio-materials. Here, a novel D-DTE-A type dithienylethene NDB, which… read more here.

Keywords: visible light; dithienylethene; solvent dependent; modified difluoroboron ... See more keywords
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Solvent dependent relaxation dynamics in lithium ion battery electrolytes: Coupling to medium friction

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Published in 2019 at "Journal of Molecular Liquids"

DOI: 10.1016/j.molliq.2019.111225

Abstract: Abstract Solution heterogeneity and dynamics of the industrially relevant electrolyte system, [9.795{xEC + (1 − x)PC} + 0.869LiClO4] with x representing mole fraction, were explored at different loadings of ethylene carbonate (EC) via temperature dependent measurements of time-resolved spectral response and… read more here.

Keywords: time resolved; dynamics lithium; solvent dependent; electrolyte systems ... See more keywords
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Conformation of repaglinide: A solvent dependent structure

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Published in 2017 at "Journal of Molecular Structure"

DOI: 10.1016/j.molstruc.2017.04.097

Abstract: Abstract Experimental and theoretical conformational study of repaglinide in chloroform and dimethyl sulfoxide was investigated. By applying potential energy scanning (PES) at B3LYP/6-311++g** and B3LYP-D3/6-311++g** level of theory on rotatable single bonds, four stable conformers… read more here.

Keywords: structure conformation; repaglinide solvent; solvent dependent; structure ... See more keywords
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Solvent-Dependent Sensitization of Ytterbium and Neodymium via an Intramolecular Excimer.

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Published in 2018 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.8b02709

Abstract: We report the synthesis of a di(1-pyrenyl)phosphoryl acetophenone ligand containing two pyrenyl moieties linked by a single phosphorus atom. The ligand exhibits solvent-dependent emission: in nonpolar solvents, typical monomeric pyrene emission is observed, whereas in… read more here.

Keywords: ytterbium; solvent dependent; intramolecular excimer; neodymium ... See more keywords
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Solvent-dependent selective cation exchange in anionic frameworks based on cobalt(ii) and triphenylamine linkers: reactor-dependent synthesis and sorption properties.

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Published in 2017 at "Dalton transactions"

DOI: 10.1039/c7dt01405h

Abstract: Two cobalt(ii) coordination polymers with anionic networks of formulae {(Me2NH2)2[CoCl(ntb)]}n (JUMP-2) and {(Me2NH2)2[Co5(ntb)4(H2O)3(Me2NH)]}n (previously reported as MIL-144 by Livage et al., Microporous Mesoporous Mater., 2012, 157, 37) have been obtained via a solvothermal reaction of… read more here.

Keywords: cation; mil 144; solvent dependent; exchange ... See more keywords
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Solvent-dependent, rhodium catalysed rearrangement reactions of sulfur ylides.

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Published in 2019 at "Chemical communications"

DOI: 10.1039/c9cc03809d

Abstract: Benzyl thioethers undergo rhodium(ii) catalyzed sigmatropic rearrangement reactions with aryldiazoacetates. Depending on the solvent and the electronic properties of the sulfide, the intermediate ylide undergoes either [1,2]- or [2,3]-sigmatropic rearrangement reactions in high yields. read more here.

Keywords: rearrangement reactions; rhodium; solvent dependent; rhodium catalysed ... See more keywords
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Solvent-controlled and solvent-dependent strategies for the synthesis of multicolor carbon dots for pH sensing and cell imaging

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Published in 2019 at "Journal of Materials Chemistry C"

DOI: 10.1039/c9tc02422k

Abstract: Solvent-controlled, pH-dependent and solvent-dependent strategies are proposed to obtain multicolor carbon dots using the same precursor. read more here.

Keywords: dependent strategies; carbon dots; multicolor carbon; solvent dependent ... See more keywords