This manuscript describes the synthesis, spectroscopic and crystallographic characterization of a cadmium complex of 10-propoylisoalloxazine-7-carboxylic acid (Flc-Cd). Catalytic activity of Flc-Cd towards aerobic sulphoxidation reaction was investigated in the presence of l-ascorbic acid as the reducing agent. Notably the neutral un-metalated flavin analogue did not show any significant catalytic activity. The design strategy for Flc provides a close proximity of the metal centre to the flavin core without compromising the catalytic site thereby assisting the product formation when compared to unmetallated Flc. Minor enantioselectivity is also observed in cases where unsymmetrical sulphides were used; indicative of the possible involvement of chiral l-ascorbic acid in the intermediate formation.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8981109 | PMC |
| http://dx.doi.org/10.1039/d1ra06558k | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Exploring the Activation of Atomically Precise [Pt(CO)(PPh)] Clusters: Mechanism and Energetics in Gas Phase and on an Inert Surface.
ACS Nano
January 2025
Institute of Physical Chemistry, Karlsruhe Institute of Technology, Kaiserstraße 12, Karlsruhe 76131, Germany.
Atomically precise clusters such as [Pt(CO)(PPh)] ( = 1,2) (PPh is triphenylphosphine) are known as precursors for making oxidation catalysts. However, the changes occurring to the cluster upon thermal activation during the formation of the active catalyst are poorly understood. We have used a combination of hybrid mass spectrometry and surface science to map the thermal decomposition of [Pt(CO)(PPh)](NO).
View Article and Find Full Text PDFEnhanced Nitrous Oxide Decomposition on Zirconium-Supported Rhodium Catalysts by Iridium Augmentation.
Environ Sci Technol
January 2025
Institute for Catalysis, Hokkaido University, N-21, W-10, Sapporo 001-0021, Japan.
The effective elimination of NO from automobile exhaust at low temperatures poses significant challenges. Compared to other materials, supported RhO catalysts exhibit high NO decomposition activities, even in the presence of O, CO, and HO. Metal additives can enhance the low-temperature NO decomposition activities over supported RhO catalysts; however, the enhancement mechanism and active sites require further investigation.
View Article and Find Full Text PDFA Dynamic Active Site for OER Catalysis at Nickel-Vanadium-Phosphide Depends on V Surface Position and Fe in Alkaline.
ACS Appl Mater Interfaces
January 2025
Department of Chemistry, American University of Beirut, Beirut, 110236, Lebanon.
Enhancing the rate of the oxygen evolution reaction (OER) by doping Ni-based electrocatalysts with guest metals other than Fe (V in this work) and the stability of the metal site should be assessed independent of Fe traces and in relation to the guest metal activity in solution. We examined OER catalysis and its sustainability at vanadium-doped nickel phosphide (NiP-V) independent of the role of Fe traces in alkaline. V was included in NiP by codeposition at cathodic bias (termed V) or postdeposition during the phosphide-to-hydroxide surface transformation at anodic bias in alkaline spiked with VCl (termed V).
View Article and Find Full Text PDFSoft nanoforest of metal single atoms for free diffusion catalysis.
Sci Adv
January 2025
School of Chemistry and Chemical Engineering, Zhangjiang Institute for Advanced Study, Frontiers Science Center for Transformative Molecules, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, P. R. China.
Metal single atoms are of increasing importance in catalytic reactions. However, the mass diffusion is yet substantially limited by the confined surface of the support in comparison to homogeneous catalysis. Here, we demonstrate that cylindrical micellar brushes with highly solvated poly(2-vinylpyridine) coronas can immobilize 33 types of metal single atoms with 8.
View Article and Find Full Text PDFEngineering dimer mutants of human geranylgeranyl pyrophosphate synthase.
PLoS One
January 2025
Department of Biochemistry, Memorial University of Newfoundland, St. John's, Newfoundland and Labrador, Canada.
Geranylgeranyl pyrophosphate synthase (GGPPS), a key enzyme in protein prenylation, plays a critical role in cellular signal transduction and is a promising target for cancer therapy. However, the enzyme's native hexameric quaternary structure presents challenges for crystallographic studies. The primary objective of this study was to engineer dimeric forms of human GGPPS to facilitate high-resolution crystallographic analysis of its ligand binding interactions.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!