Articles with "carbonyl compounds" as a keyword



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Mild C(sp3)‒H Alkylation of 8-Methylquinolines with α,β-Unsaturated Carbonyl Compounds by Rhodium(III) Catalysis

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Published in 2017 at "Asian Journal of Organic Chemistry"

DOI: 10.1002/ajoc.201700261

Abstract: A straightforward approach to the synthesis of γ-quinolyl carbonyl compounds has been presented via rhodium(III)-catalyzed C(sp3)-H alkylation of 8-methyquinolines with conjugated C=C multiple bonds. Remarkably, this C(sp3)-H functionalization proceeds under mild reaction conditions, obviates the… read more here.

Keywords: alkylation methylquinolines; carbonyl compounds; sp3 alkylation; mild sp3 ... See more keywords
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A Facile Approach to α‐Keto Esters via Oxidative Esterification of α‐Amino Carbonyl Compounds

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Published in 2019 at "Asian Journal of Organic Chemistry"

DOI: 10.1002/ajoc.201900320

Abstract: A direct oxidative esterification of alpha-amino carbonyl compounds by two kinds of hydroperoxides, for the synthesis of alpha-keto esters has been developed. The reaction shows broad substrates scope and good functional group tolerance, even for… read more here.

Keywords: oxidative esterification; keto esters; amino carbonyl; carbonyl compounds ... See more keywords
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Catalytic hydrosilylation of carbonyl compounds by hydrido thiophenolato iron(II) complexes

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Published in 2017 at "Catalysis Communications"

DOI: 10.1016/j.catcom.2017.02.008

Abstract: Abstract The hydrosilylation of aldehydes and ketones under mild conditions with hydrido thiophenolato iron(II) complexes [ cis –Fe(H)(SAr)(PMe 3 ) 4 ] ( 1–4 ) as catalysts is reported using (EtO) 3 SiH as an… read more here.

Keywords: thiophenolato iron; carbonyl compounds; hydrido thiophenolato; hydrosilylation ... See more keywords
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Development and optimization of a HS-SPME-GC-MS methodology to quantify volatile carbonyl compounds in Port wines.

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Published in 2019 at "Food chemistry"

DOI: 10.1016/j.foodchem.2018.07.093

Abstract: A method based on headspace solid-phase microextraction (HS-SPME) coupled to gas chromatography-triple quadrupole/mass spectrometry detection (GC-TQ/MS) with a prior derivatization step with O-(2,3,4,5,6-pentafluorobenzyl)hydroxylamine hydrochloride (PFBHA) was developed to quantify carbonyl compounds in different categories of… read more here.

Keywords: methodology; carbonyl compounds; spme; development optimization ... See more keywords
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Synthesis of biomass-based amines: Metal-free catalytic reductive amination of xylose and biomass-derived carbonyl compounds using pyridine-based ionic liquid/triethoxysilane

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Published in 2020 at "Fuel"

DOI: 10.1016/j.fuel.2019.116822

Abstract: Abstract Conversions of biomass into value-added nitrogen-containing compounds such as furfurylamines are industrially demanding, contrarily, highly challenging. In this work, we present the synthesis of N-substituted furfurylamines from xylose/biomass-derived carbonyl compounds utilizing novel [Pro(Etpy)3][Lac]3 ionic… read more here.

Keywords: biomass; derived carbonyl; biomass derived; carbonyl compounds ... See more keywords
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β-Hydroxy Carbonyl Compounds Via Aldol Reaction: Single Crystal Investigation and Quantum Chemical Exploration for the Unveiling of Supramolecular Behavior

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Published in 2021 at "Journal of Molecular Structure"

DOI: 10.1016/j.molstruc.2021.130650

Abstract: Abstract Aldol reaction is a carbon-carbon bond forming chemical reaction for synthesis of β-hydroxy carbonyl compounds. In the current research work, we have synthesizedβ-hydroxy carbonyl compounds i.e 2-(hydroxy(4-nitrophenyl)methyl)cyclohexan-1-one (1) 2-(hydroxy(o-tolyl)methyl)cyclohexan-1-one (2) using base mediated aldol… read more here.

Keywords: hydroxy carbonyl; reaction; aldol reaction; carbonyl compounds ... See more keywords
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Concentration characteristics of gaseous carbonyl compounds in urban houses in two different climatic zones of China and health risk assessment for schoolchildren

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Published in 2020 at "Sustainable Cities and Society"

DOI: 10.1016/j.scs.2020.102270

Abstract: Abstract This paper reported concentration characteristics of thirteen kinds of gaseous carbonyl compounds (CCs) in urban houses with schoolchildren in two different climatic zones of China, estimated schoolchildren’s daily inhalation dose of formaldehyde and acetaldehyde,… read more here.

Keywords: risk; gaseous carbonyl; exposure; carbonyl compounds ... See more keywords
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13C NMR spectroscopic studies of the behaviors of carbonyl compounds in various solutions

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Published in 2017 at "Tetrahedron Letters"

DOI: 10.1016/j.tetlet.2017.10.071

Abstract: Abstract 13C NMR spectroscopic studies were performed for carbonyl compounds having a hydroxyl group, a carboalkoxy group, an acetoxy group, or a carboxyl group in various solvents with different polarities for observation of their behaviors… read more here.

Keywords: spectroscopic studies; 13c nmr; group; carbonyl compounds ... See more keywords
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Development/verification of methods for measurement of exhaled breath and environmental e‐vapor product aerosol

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Published in 2017 at "Regulatory Toxicology and Pharmacology"

DOI: 10.1016/j.yrtph.2017.01.006

Abstract: Abstract Concerns have been raised about the potential health effects of potential bystander exposure to exhaled aerosols from e‐vapor products (EVPs). An exhaled breath collection system (EBS) was developed and analytical methods were verified for… read more here.

Keywords: vapor product; breath; carbonyl compounds; exhaled breath ... See more keywords
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Chelation-Controlled Additions to Chiral α- and β-Silyloxy, α-Halo, and β-Vinyl Carbonyl Compounds.

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Published in 2017 at "Accounts of chemical research"

DOI: 10.1021/acs.accounts.7b00319

Abstract: The science and art of preventing and managing disease and prolonging life is dependent on advances in medicine, biology, and biochemistry. Many of these advances will involve interactions of small molecules with biological entities. As… read more here.

Keywords: chelation controlled; chelation; chiral silyloxy; controlled additions ... See more keywords
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Conjugated Carbonyl Compounds as High-Performance Cathode Materials for Rechargeable Batteries

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Published in 2019 at "Chemistry of Materials"

DOI: 10.1021/acs.chemmater.9b03109

Abstract: In search for novel cathode materials for lithium, sodium, and potassium ion batteries, organic electrode materials are expected to be the next powerful candidates owing to their high theoretical c... read more here.

Keywords: cathode materials; compounds high; cathode; carbonyl compounds ... See more keywords