Results 1 to 10 of about 2,718,627 (117)

Synthesis of New Benzofuran-2-Carboxylic Acid Derivatives [PDF]

Journal of Chemistry, 2013
Novel ethyl ester and methylamide of 5-[bis(2-chloroethyl)amino]-7-methoxybenzofuran-2-carboxylic acid as well as (2-hydroxy-1,1-dimethylethyl)amides of 5-bromo- and 5,7-dichlorobenzofuran-2-carboxylic acid were synthesized and ...
A. Wrześniewska, M. Śmist, H. Kwiecień, M. Kowalewska   +3 more
core   +2 more sources

Vibrational Stark Fields in Carboxylic Acid Dimers [PDF]

, 2022
Carboxylic acids form exceptionally stable dimers and have been used to model proton and double proton transfer processes. The stabilization energies of the carboxylic acid dimers are very weakly dependent on the nature of the substitution.
G Naresh, Patwari, Manjusha, Boda
core   +2 more sources

Interfacial and Internal Proton Conduction of Weak-acid Functionalized Styrene-based Copolymer with Various Carboxylic Acid Concentrations

Electrochemistry, 2021
Investigation of interfacial proton transport is necessary to elucidate biological systems. As commonly found in biomaterials, the carboxylic acid group was proven to act as a proton-conducting group.
Athchaya SUWANSOONTORN, Katsuhiro YAMAMOTO, Shusaku NAGANO, Jun MATSUI, Yuki NAGAO   +4 more
doaj   +1 more source

Crystal structure of 2,5-dihydroxyterephthalic acid from powder diffraction data

Acta Crystallographica Section E: Crystallographic Communications, 2022
The crystal structure of anhydrous 2,5-dhydroxyterephthalic acid, C8H6O6, was solved and refined using laboratory X-ray powder diffraction data, and optimized using density functional techniques.
Joshua D. Vegetabile, James A. Kaduk
doaj   +1 more source

(η5-Carboxycyclopentadienyl)(η7-cycloheptatrienyl)manganese(I) hexafluoridophosphate

IUCrData, 2023
The title compound, [Mn(C7H7)(C6H5O2)]PF6 or [(Cht)Mn(Cp'CO2H)]PF6, with Cht = cycloheptatrienyl and Cp' = C5H4, is an air-stable, purple, heteroleptic, cationic sandwich complex with manganese in oxidation state +I and π-coordinating cycloheptatrienyl ...
Reinhard Thaler, Klaus Wurst, Benno Bildstein   +2 more
doaj   +1 more source

Synthesis and Characterization of Some New Coumarin Derivatives as Probable Breast Anticancer MCF-7 Drugs

Crystals, 2021
This study aimed to synthesize quinolinone derivatives and investigate their cytotoxic activity. The compound 1-azacoumarin-3-carboxylic acid (2-oxo-1H-quinoline-3-carboxylic acid) was obtained via the cyclocondensation of 2-hydroxybenzaldehyde with ...
Ahmed Gaber, Walaa F. Alsanie, Majid Alhomrani, Abdulhakeem S. Alamri, Ibrahim M. El-Deen, Moamen S. Refat   +5 more
doaj   +1 more source

Repurposing amine and carboxylic acid building blocks with an automatable esterification reaction [PDF]

, 2022
New methodologies to unite amines and carboxylic acids that complement the popular amide coupling can significantly expand accessible chemical space because they yield products distinct from the classic R–NHC(O)–R’ amide arrangement.
Andrew, McGrath, Khadija, Shafiq, Tim, Cernak, Rui, Zhang, Khadija Shafiq, Rui Zhang, Andrew McGrath, Tim Cernak   +7 more
core   +1 more source

General Method to Increase Carboxylic Acid Content on Nanodiamonds

Molecules, 2022
Carboxylic acid is a commonly utilized functional group for covalent surface conjugation of carbon nanoparticles that is typically generated by acid oxidation.
Ganesh Shenoy, Jessica Ettedgui, Chandrasekhar Mushti, Jennifer Hong, Kelly Lane, Burchelle Blackman, Hak-Sung Jung, Yasuharu Takagi, Yeonee Seol, Martin Brechbiel, Rolf E. Swenson, Keir C. Neuman   +11 more
doaj   +1 more source

Study of the effect of microwave-ray on some carboxylic acids containing hydroxyl group at α – carbon [PDF]

مجلة التربية والعلم, 1999
: The effect of Microwave-ray was studied on the three mono carboxylic acids contains hydroxyl group (OH) at α – carbon in the solid state at different times. these carboxylic acids are Glycolic acid, Mandilic acid, Benzilic acid.
Ahmed Sadoon
doaj   +1 more source

Insights into ultrasound-promoted degradation of naphthenic acid compounds in oil sands process affected water. Part I: Accelerated H-abstraction and decarboxylation of aromatic and alicyclic compounds

Ultrasonics Sonochemistry, 2022
Propelled by enormous increase in demand for fuel sources, Canadian oil sands are becoming increasingly important as a fuel source due to their abundance and upgrading capability.
Rija Ansari, Deepak M. Kirpalani
doaj   +1 more source