Articles with "benzoic acids" as a keyword



Thermodynamic Insights on the Structure‐Property Relationships in Substituted Benzenes: Are the Pairwise Interactions in Tri‐Substituted Methyl‐Nitro‐Benzoic Acids Still Valid?

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Published in 2025 at "Chempluschem"

DOI: 10.1002/cplu.202400703

Abstract: Abstract A comprehensive experimental thermochemical study of nine methyl‐substituted nitrobenzoic acids was carried out, leading to the final standard molar enthalpies of formation in the gas phase. The combustion energies were measured using high‐precision combustion… read more here.

Keywords: benzoic acids; molar enthalpies; pairwise interactions; standard molar ... See more keywords

Fluorescent Sensors for Hg2+ and Cu2+ Based on Condensation Products of 4H-1,2,4 Triazole-4-Amine and Carboxylated Benzoic Acids.

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Published in 2021 at "Journal of fluorescence"

DOI: 10.1007/s10895-021-02777-2

Abstract: Mercury (Hg) causes serious health issues in its all forms. Deficiency as well as excess of copper ion (Cu2+) in human body is hazardous. A series of four compounds have been derived from carboxylated benzoic… read more here.

Keywords: sensors hg2; triazole amine; carboxylated benzoic; benzoic acids ... See more keywords

Innovative uses of carbamoyl benzoic acids in coagulation-flocculation’s processes of wastewater

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Published in 2017 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2016.09.011

Abstract: Abstract The use of carbamoyl benzoic, acids as separation new agents, to remove on the hazardous heavy metals, that are frequently, contained in metal plating wastewater is reported in this paper. The interaction of ionic… read more here.

Keywords: carbamoyl acids; benzoic acids; coagulation flocculation; carbamoyl benzoic ... See more keywords

WinMLR program for the determination of sorbic and benzoic acids in food samples.

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Published in 2021 at "Food chemistry"

DOI: 10.1016/j.foodchem.2021.130086

Abstract: The program WinMLR has been developed to quantify sorbic and benzoic acids in soft drinks, fruit juices, and soy sauce by making a multilinear regression treatment of experimental data to a linear combination of standard… read more here.

Keywords: benzoic acids; calibration parameters; winmlr program; food ... See more keywords

Rapid hydrodehalogenation of chlorinated benzoic acids using mechano-thermally prepared Raney alloy with enhanced kinetics

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Published in 2021 at "Journal of environmental chemical engineering"

DOI: 10.1016/j.jece.2021.105764

Abstract: Abstract The present study reports on the degradation of chlorinated benzoic acids (CBAs), commonly present in the environment as pollutants, by a hydrodehalogenation reaction utilizing the Raney Al-Ni alloy (50:50 wt% Al:Ni). The hydrodehalogenation reaction using… read more here.

Keywords: chlorinated benzoic; benzoic acids; hydrodehalogenation; alloy enhanced ... See more keywords

Oxidative coupling of benzoic acids with alkynes: Catalyst design and selectivity

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Published in 2017 at "Journal of Organometallic Chemistry"

DOI: 10.1016/j.jorganchem.2017.11.013

Abstract: Abstract The review covers the mechanism insights and recent achievements in catalyst design for oxidative coupling of benzoic acids and alkynes. This reaction is a straightforward effective approach to synthesis of isocoumarins or naphthalenes. The… read more here.

Keywords: acids alkynes; catalyst design; oxidative coupling; coupling benzoic ... See more keywords
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Electrooxidative Iridium-Catalyzed Regioselective Annulation of Benzoic Acids with Internal Alkynes.

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Published in 2021 at "Organic letters"

DOI: 10.1021/acs.orglett.0c04168

Abstract: Electrochemically driven, Cp*Ir(III)-catalyzed regioselective annulative couplings of benzoic acids with alkynes have been established herein. The combination of iridium catalyst and electricity not only circumvents the need for stoichiometric amount of chemical oxidant, but also… read more here.

Keywords: regioselective annulation; iridium catalyzed; catalyzed regioselective; benzoic acids ... See more keywords

Rh-Catalyzed Coupling of Acrylic/Benzoic Acids with α-Diazocarbonyl Compounds: An Alternative Route for α-Pyrones and Isocoumarins.

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Published in 2022 at "Organic letters"

DOI: 10.1021/acs.orglett.1c03992

Abstract: A coupling of acrylic acids/benzoic acids with α-diazocarbonyl compounds has been realized by a combined catalytic system of rhodium catalyst and Zn(OAc)2 additive. The presence of Zn(OAc)2 obviously accelerates the C(sp2)-H activation and destructed the… read more here.

Keywords: benzoic acids; coupling acrylic; acids diazocarbonyl; catalyzed coupling ... See more keywords

Ligand-Enabled C-H Olefination and Lactonization of Benzoic Acids and Phenylacetic Acids via Palladium Catalyst.

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Published in 2022 at "Organic letters"

DOI: 10.1021/acs.orglett.1c04000

Abstract: A novel ligand propan-2-one O-(p-tolylcarbamoyl) oxime (L7) has been developed to promote C(sp2)-H olefination of benzoic acids and phenylacetic acids via a palladium catalyst. With the subsequent lactonization of the olefinated products through 1,4-addition, highly… read more here.

Keywords: phenylacetic acids; acids phenylacetic; palladium catalyst; acids via ... See more keywords

Ru(II)-Catalyzed Decarboxylative (4 + 2)-Annulation of Benzoic Acids and Benzamides with Propargyl Cyclic Carbonates.

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Published in 2024 at "Organic letters"

DOI: 10.1021/acs.orglett.4c02651

Abstract: Propargyl cyclic carbonates have emerged as versatile precursors in synthetic chemistry. However, their reactivity has so far been limited to transition metal-catalyzed substitution and cyclization reactions. Herein, we illustrate the successful employment of propargyl cyclic… read more here.

Keywords: benzoic acids; annulation benzoic; propargyl cyclic; acids benzamides ... See more keywords
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Catalytic C-N and C-H Bond Activation: ortho-Allylation of Benzoic Acids with Allyl Amines.

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Published in 2018 at "Organic letters"

DOI: 10.1021/acs.orglett.8b01762

Abstract: A facile insertion of ruthenium into aromatic C-H and allylic C-N bonds are the key steps in a [Ru( p-cymene)Cl2]2-catalyzed ortho-C-H allylation of benzoic acids. This protocol allows drawing on the large pool of allylic… read more here.

Keywords: catalytic bond; benzoic acids; allylation benzoic; ortho allylation ... See more keywords