Results 41 to 50 of about 2,731,051 (304)
Indium(III)-Catalysed [3+2] Annulation Reaction of Alkenes with α,β-Unsaturated Keto-Carboxylic Acid Derivatives for the Synthesis of γ-Butyrolactones [PDF]
, 2023 Herein, we report In(OTf)3 catalyzed (3+2) annulation reaction of an alkene with α,β-unsaturated keto-carboxylic acid for the synthesis of γ-butyrolactone derivatives.
Gnanaprakasam, Boopathy +4 more
core +2 more sources
Crystal structure of [1,1′:3′,1′′-terphenyl]-2′,3,3′′-tricarboxylic acid
Acta Crystallographica Section E: Crystallographic Communications, 2015 The asymmetric unit of the title compound, C21H14O6, comprises two symmetrically independent molecules that form a locally centrosymmetric hydrogen-bonded dimer, with the planes of the corresponding carboxylic acid groups rotated by 15.8 (1) and 17.5 (1)°
Daniel A. Decato, Orion B. Berryman
doaj +1 more source
FEBS Letters, EarlyView.Mycobacterial 3‐methylcrotonyl‐CoA carboxylase uses a mobile biotin‐carrying domain to shuttle a carboxyl group between two catalytic sites, enabling carboxylation of 3‐methylcrotonyl‐CoA during leucine breakdown. Cryo‐electron microscopy captures the carrier at both sites and reveals an inward loop movement that may prevent futile rebinding to the ...
Ajit Yadav +2 more
wiley +1 more source
Assessing the Conformational Equilibrium of Carboxylic Acid via QM and MD Studies on Acetic Acid [PDF]
, 2018 Accurate hydrogen placement in molecular modeling is crucial for studying the interactions and dynamics of biomolecular systems. It is difficult to locate hydrogen atoms from many experimental structural characterization approaches, such as due to the ...
David, Mobley +3 more
core +1 more source
The Role of Homoaromaticity in the Tropylium-Catalyzed Carboxylic Acid O-H Insertion with Diazoesters [PDF]
, 2022 The tropylium catalyzed carboxylic acid O-H insertion with diazoesters providing α-hydroxy esters was reported recently through an activated carbene as the key intermediate.
Anakuthil, Anoop, Venkataraman, Ganesh
core +2 more sources
ChemistryOpenThe photoinduced decarboxylative radical addition of aryl carboxylic acids, including heteroaromatic carboxylic acids, to electron‐deficient alkenes is achieved in a two‐molecule photoredox system using a combination of biphenyl (BP) and 9,10 ...
Daisuke Suzuki +5 more
doaj +1 more source
Food Technology and Biotechnology, 2020 Research background. TomloxB is the main isoform of lipoxygenase associated with ripening and senescence of fruits. On the other hand, ethylene, a gaseous hormone, is essential for the regulation of ripening in climacteric fruits like tomatoes.
Arturo Alberto Velázquez- López +5 more
doaj +1 more source
Chiral separation of chloroalkanes with the chromatographic column onboard Martian rovers
FEBS Letters, EarlyView.Computer image of the Rosalind Franklin Rover of ESA's ExoMars mission. ExoMars is scheduled to land on planet Mars in Oxia Planum in 2029. This area represents an interesting spot to look for biosignatures. Investigations of ExoMars include measurement on molecular chirality. We show that chiral chloroalkanes, that have been identified on Mars, can be
Asma Merzougui +4 more
wiley +1 more source
Development of an Ion Chromatography Method for the Analysis of Nitric Acid Oxidation Reactions of Common Sugars [PDF]
, 2008 The large scale nitric acid oxidation of common sugars into their corresponding aldaric acids is being investigated as an important source of potentially useful components for industrial applications such as polymers.
Davey, Cara-Lee
core
Valorization of Lignin by Partial Wet Oxidation Using Sustainable Heteropoly Acid Catalysts
Molecules, 2017 The production of carboxylic acids by partial wet oxidation of alkali lignin at elevated temperatures and pressures was studied experimentally. Two different heteropoly acids, phosphotungstic acid (H3PW12O40) and phosphomolybdic acid (H3PMo12O40), were ...
Abayneh Getachew Demesa +3 more
doaj +1 more source