Articles with "dicarbonyl" as a keyword



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Exploring the scope of indole interaction with 1,2-dicarbonyl compounds.

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Published in 2020 at "Food chemistry"

DOI: 10.1016/j.foodchem.2020.127031

Abstract: The 1,2-dicarbonyl compounds have received extensive attention due to their high reactivity and toxicity in vitro and in vivo. Availability of scavenging compounds may facilitate development of efficient strategies for their control. The concept of… read more here.

Keywords: dicarbonyl; scope indole; interaction dicarbonyl; dicarbonyl compounds ... See more keywords
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Interactions of epicatechin and cysteine with certain other dicarbonyl scavengers during their reaction with methylglyoxal under simulated physiological conditions.

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Published in 2021 at "Food chemistry"

DOI: 10.1016/j.foodchem.2021.130884

Abstract: This study aimed at investigating the effects of interactions between dietary dicarbonyl scavengers coexisting in human plasma on the overall methylglyoxal scavenging potential. Apart from being the most effective dicarbonyl scavengers, epicatechin or cysteine, which… read more here.

Keywords: certain dicarbonyl; dicarbonyl; simulated physiological; epicatechin cysteine ... See more keywords
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Synthesis and photochemical study of tricarbonyl and dicarbonyl derivatives of 3-cymantrenylalkylisothioureas

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Published in 2020 at "Journal of Organometallic Chemistry"

DOI: 10.1016/j.jorganchem.2020.121465

Abstract: Abstract A series of 3-cymantrenylalkylisothioureas (2) was synthesized. DFT calculations showed that compounds 2 in solutions are dimers. The photolysis of 2 was studied by IR, UV–vis and NMR spectroscopic methods. Irradiation of compounds 2… read more here.

Keywords: dicarbonyl; synthesis photochemical; photochemical study; study tricarbonyl ... See more keywords

Dicarbonyl cis-[M(CO)2(N,O)(C)(P)] (M = Re, 99mTc) Complexes with a New [2 + 1 + 1] Donor Atom Combination.

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Published in 2018 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.8b01014

Abstract: The synthesis and characterization of the dicarbonyl mixed ligand cis-[Re(CO)2(quin)(cisc)(PPh3)] complex, 4, where quin is the deprotonated quinaldic acid, cisc is cyclohexyl isocyanide, and PPh3 is triphenylphosphine, is presented. The synthesis of 4 proceeds in… read more here.

Keywords: dicarbonyl; atom combination; new donor; quin ... See more keywords
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Palladium-Catalyzed α-Arylation of Cyclic β-Dicarbonyl Compounds for the Synthesis of CaV1.3 Inhibitors

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Published in 2022 at "ACS Omega"

DOI: 10.1021/acsomega.2c00889

Abstract: Cyclic α-aryl β-dicarbonyl derivatives are important scaffolds in medicinal chemistry. Palladium-catalyzed coupling reactions of haloarenes were conducted with diverse five- to seven-membered cyclic β-dicarbonyl derivatives including barbiturate, pyrazolidine-3,5-dione, and 1,4-diazepane-5,7-dione. The coupling reactions of various… read more here.

Keywords: cyclic dicarbonyl; cav1; palladium catalyzed; dione ... See more keywords

Dual Role of Glyoxal in Metal-Free Dicarbonylation Reaction: Synthesis of Symmetrical and Unsymmetrical Dicarbonyl Imidazoheterocycles

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Published in 2019 at "ACS Omega"

DOI: 10.1021/acsomega.9b00716

Abstract: A practical and efficient method has been developed for the dicarbonylation of imidazoheterocycles using glyoxals as dicarbonyl precursors under metal-free conditions in acetic acid. A series of symmetrical and unsymmetrical dicarbonyl imidazoheterocycles was synthesized in… read more here.

Keywords: unsymmetrical dicarbonyl; dicarbonyl; dicarbonyl imidazoheterocycles; symmetrical unsymmetrical ... See more keywords
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A visible-light-induced photocatalyst-free approach for C-3 dicarbonyl coumarin production.

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Published in 2021 at "Chemical communications"

DOI: 10.1039/d1cc02399c

Abstract: A mild and efficient visible-light-induced synthesis of C-3 dicarbonyl coumarins from 3-arylacetylene coumarins without a photocatalyst was reported. This iodide-mediated method exhibited broad substrate scope and good functional group tolerance, and a series of C-3… read more here.

Keywords: dicarbonyl; induced photocatalyst; light induced; visible light ... See more keywords
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ICT based water-soluble fluorescent probe for discriminating mono and dicarbonyl species and analysis in foods.

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Published in 2021 at "Chemical communications"

DOI: 10.1039/d1cc02600c

Abstract: A unique and highly water-soluble ICT-based fluorescent probe is developed for efficient detection and discrimination of reactive monocarbonyl formaldehyde (FA) from dicarbonyl methylglyoxal (MGO)/glyoxal (GO) by modulating the ICT process, which was confirmed by photophysical… read more here.

Keywords: fluorescent probe; dicarbonyl; probe; water soluble ... See more keywords

KI-Promoted Oxidative Coupling of Styrenes with Indoles under Metal-Free Conditions: Facile Access to C-3 Dicarbonyl Indoles

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Published in 2019 at "Synthesis"

DOI: 10.1055/s-0037-1611888

Abstract: A new and efficient method for the synthesis of C-3 dicarbonyl indoles via oxidative cross-coupling of styrenes with indoles under metal-free conditions has been developed. Moreover, a broad scope of C-3 dicarbonyl indoles in moderate… read more here.

Keywords: styrenes indoles; dicarbonyl; dicarbonyl indoles; coupling styrenes ... See more keywords
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α-Dicarbonyl compounds in food products: Comprehensively understanding their occurrence, analysis, and control.

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Published in 2023 at "Comprehensive reviews in food science and food safety"

DOI: 10.1111/1541-4337.13115

Abstract: α-Dicarbonyl compounds (α-DCs) are readily produced during the heating and storage of foods, mainly through the Maillard reaction, caramelization, lipid-peroxidation, and enzymatic reaction. They contribute to both the organoleptic properties (i.e., aroma, taste, and color)… read more here.

Keywords: food; dcs; dicarbonyl; analysis ... See more keywords

Dicarbonyl-modified lipoproteins contribute to proteinuric kidney injury

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Published in 2022 at "JCI Insight"

DOI: 10.1172/jci.insight.161878

Abstract: Lipoprotein modification by reactive dicarbonyls, including isolevuglandin (IsoLG), produces dysfunctional particles. Kidneys participate in lipoprotein metabolism, including tubular uptake. However, the process beyond the proximal tubule is unclear, as is the effect of kidney injury… read more here.

Keywords: apoai; kidney; kidney injury; dicarbonyl ... See more keywords