TADF Regulation by Tuning Keto‐Energy Levels, ISC/RISC Equilibrium in Coordination Polymers with Excited State Intramolecular Proton Transfer (ESIPT)
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Optical Materials"
DOI: 10.1002/adom.202303025
Abstract: Thermally activated delayed fluorescence (TADF) and long persistent luminescence (LPL) are emerging photophysical hotspots, which involve the singlet/triplet excited states and two‐way energy transfer processes between them via intersystem crossing (ISC) or reverse intersystem crossing… read more here.
Keywords: energy; isc risc; keto; risc equilibrium ... See more keywords
Structures and Protein Engineering of the α‐Keto Acid C‐Methyltransferases SgvM and MrsA for Rational Substrate Transfer
Sign Up to like & getrecommendations! Published in 2024 at "ChemBioChem"
DOI: 10.1002/cbic.202400258
Abstract: S‐adenosyl‐l‐methionine‐dependent methyltransferases (MTs) are involved in the C‐methylation of a variety of natural products. The MTs SgvM from Streptomyces griseoviridis and MrsA from Pseudomonas syringae pv. syringae catalyze the methylation of the β‐carbon atom of… read more here.
Keywords: engineering; keto; sgvm mrsa; substrate ... See more keywords
B(C 6 F 5 ) 3 ‐Catalyzed Synthesis of Symmetrical and Unsymmetrical 3,3ʹ‐Bisindoles with an All‐Carbon Quaternary Center from α‐Keto Thioesters and Oxoesters
Sign Up to like & getrecommendations! Published in 2025 at "ChemCatChem"
DOI: 10.1002/cctc.202501100
Abstract: α‐Keto thioesters can undergo B(C6F5)3‐catalyzed symmetrical and unsymmetrical bisindolylation in a chemoselective manner when reacted with substituted indoles under mild conditions in 1,2‐dichloroethane solvent. This reaction demonstrates compatibility with a broad range of α‐keto thioesters… read more here.
Keywords: carbon quaternary; symmetrical unsymmetrical; keto thioesters; keto ... See more keywords
Visible-light-Induced Oxidative a-keto-Dichlorination of Arylalkynes by CuCl2 at Room Temperature.
Sign Up to like & getrecommendations! Published in 2022 at "ChemSusChem"
DOI: 10.1002/cssc.202200957
Abstract: We have developed a visible light-induced oxidative a-keto-dichlorination of terminal and internal aryl alkynes to form dichloroacetophenones (DCAPs) and dichlorophenyl-acetophenones (DCPAPs), respectively, by using CuCl 2 as a photoredox catalyst in the presence of air… read more here.
Keywords: light induced; keto dichlorination; induced oxidative; keto ... See more keywords
Single‐crystal X‐ray analysis of the diketo form of asymmetric curcuminoids and coupled with NMR insights into its β‐Keto‐enol tautomerization at ambient temperature
Sign Up to like & getrecommendations! Published in 2024 at "Journal of the Chinese Chemical Society"
DOI: 10.1002/jccs.202400236
Abstract: In this study, we present a detailed analysis of the structural forms of asymmetric curcuminoids through single‐crystal X‐ray diffraction and nuclear magnetic resonance (NMR) spectroscopy. Curcuminoids substituted with electron‐withdrawing groups (Cl and Br) predominantly adopt… read more here.
Keywords: temperature; keto enol; keto; asymmetric curcuminoids ... See more keywords
Diurnal photodegradation of fluorinated diketones (FDKs) by OH radicals using different atmospheric simulation chambers: Role of keto-enol tautomerization on reactivity.
Sign Up to like & getrecommendations! Published in 2021 at "Chemosphere"
DOI: 10.1016/j.chemosphere.2021.131562
Abstract: Rate coefficients for the gas-phase reactions of OH radicals with a series of fluorinated diketones have been determined for the first time at (298 ± 3) K and atmospheric pressure using the relative method and FTIR spectroscopy… read more here.
Keywords: tautomerization; keto; role; fluorinated diketones ... See more keywords
Biochemical and structural characterization of L-2-keto-3-deoxyarabinonate dehydratase: A unique catalytic mechanism in the Class I aldolase protein superfamily.
Sign Up to like & getrecommendations! Published in 2020 at "Biochemistry"
DOI: 10.1021/acs.biochem.0c00515
Abstract: L-2-Keto-3-deoxyarabinonate (L-KDA) dehydratase (AraD) catalyzes the hydration of L-KDA to α-ketoglutaric semialdehyde in the non-phosphorylative L-arabinose pathway from bacteria, and belongs to the dihydrodipicolinate synthase (DHDPS)/N-acetylneuraminate lyase (NAL) protein superfamily. All members of this superfamily,… read more here.
Keywords: catalytic mechanism; keto deoxyarabinonate; dehydratase; keto ... See more keywords
One-Pot Biosynthesis of 2-Keto-4-hydroxybutyrate from Cheap C1 Compounds Using Rationally Designed Pyruvate Aldolase and Methanol Dehydrogenase.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of agricultural and food chemistry"
DOI: 10.1021/acs.jafc.2c09108
Abstract: One-carbon chemicals (C 1s) are potential building blocks as they are cheap, sustainable, and abiotic components. Methanol-derived formaldehyde can be another versatile building block for the production of 2-keto-4-hydroxyacid derivatives that can be used for… read more here.
Keywords: methanol dehydrogenase; keto hydroxybutyrate; one pot; aldolase ... See more keywords
Nickel-Catalyzed Asymmetric Hydrogenation of γ-Keto Acids, Esters, and Amides to Chiral γ-Lactones and γ-Hydroxy Acid Derivatives.
Sign Up to like & getrecommendations! Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.2c00826
Abstract: A highly efficient asymmetric hydrogenation of a series of γ-keto acid derivatives, including γ-keto acids, esters, and amides, using a Ni-(R,R)-QuinoxP* complex as the catalyst has been developed to afford chiral γ-hydroxy acid derivatives with… read more here.
Keywords: esters amides; asymmetric hydrogenation; acids esters; keto ... See more keywords
Decarbonylative Coupling of α-Keto Acids and Ynamides for Synthesis of β-Keto Imides.
Sign Up to like & getrecommendations! Published in 2018 at "Organic letters"
DOI: 10.1021/acs.orglett.8b01302
Abstract: A novel decarbonylative coupling of α-keto acids and ynamides with extrusion of CO for synthesis of β-keto imides is reported. This process features mild reaction conditions, a broad substrate scope, and high efficiency. An isotope-labeling… read more here.
Keywords: decarbonylative coupling; acids ynamides; synthesis keto; keto ... See more keywords
Keto-Polyethylene Material from Pd(II)-Catalyzed Copolymerization with Continuous Carbon Monoxide Feed
Sign Up to like & getrecommendations! Published in 2025 at "ACS Catalysis"
DOI: 10.1021/acscatal.5c00935
Abstract: Pd(II) phosphinosulfonate catalysts were employed in the nonalternating copolymerization of ethylene and carbon monoxide to produce keto-polyethylenes with high-density polyethylene-like materials properties. The different reactivities of the two monomers were addressed with a customized reactor… read more here.
Keywords: feed; carbon monoxide; keto; copolymerization ... See more keywords