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Dearomative Addition-Hydrogen Autotransfer for Branch-Selective -Heteroaryl C-H Functionalization via Ruthenium-Catalyzed C-C Couplings of Diene Pronucleophiles.
J Am Chem Soc
January 2025
Department of Chemistry, University of Texas at Austin, Austin 78712, Texas, United States.
A novel mechanism for -heteroaryl C-H functionalization via dearomative addition-hydrogen autotransfer is described. Upon exposure to the catalyst derived from RuHCl(CO)(PPh) and Xantphos, dienes - suffer hydroruthenation to form allylruthenium nucleophiles that engage in -heteroaryl addition-β-hydride elimination to furnish branched products of C-C coupling - and -. Oxidative cleavage of isoprene adducts , , , and followed by ruthenium-catalyzed dynamic kinetic asymmetric ketone reduction provides enantiomerically enriched -heteroarylethyl alcohols - and, therefrom, -heteroarylethyl amines -.
View Article and Find Full Text PDFWhole-Genome Sequencing of Antimicrobial Resistant , a Novel Sequence Type 5655 from Retail Fish Market, Assam, India.
Foodborne Pathog Dis
January 2025
Microbiology, Fermentation and Biotechnology Division, ICAR-Central Institute of Fisheries Technology, Cochin, India.
is a recently described species that can be differentiated from . However, in clinical settings, they are frequently misidentified as . In this study, our objective was to conduct genomic characterization and bioinformatics analysis of subsp.
View Article and Find Full Text PDFStudy of Different Cultivated Plants Rhizosphere Soil Fungi-Mediated Pectinase: Insights into Production, Optimization, Purification, Biocompatibility, and Application.
Microb Ecol
January 2025
Department of Botany, Faculty of Science, Fayoum University, Fayoum, 63511, Egypt.
Microorganisms are preferred as an enzyme source due to their short lifespan, high production rate, affordability, and absence of harmful chemicals in enzymes generated from plant and animal sources. Fungi communities are biological factories for many bioactive compounds such as the important industrial enzyme pectinase. The current study dealt with production, optimization, purification, biocompatibility, and application of fungal pectinase obtained from five plant rhizospheres (banana, jarawa, lemon, tomato, and wheat) at Fayoum Governorate, Egypt.
View Article and Find Full Text PDFAccess to Bis-Silylene-Stabilized Group 13 Cations.
Inorg Chem
January 2025
Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune 411008, India.
Herein, we report the isolation of pyridine moiety-functionalized SiNSi pincer-based bis-silylene ligand () and its reactivity toward various halide precursors (X = Br and I) of group 13 elements (M = Al, Ga, and In). This gave us straightforward access to the SiNSi pincer-coordinated group 13 cations (-). These complexes are duly characterized by single-crystal X-ray diffraction studies, multinuclear magnetic resonance spectroscopy (H, C, and Si), and high-resolution mass spectrometry techniques.
View Article and Find Full Text PDFPulmonary sequestration 1: right lower lobe.
Multimed Man Cardiothorac Surg
January 2025
Hôpital Maisonneuve-Rosemont (University of Montreal) 5415, l'Assomption, Montréal, QC, Canada.
Pulmonary sequestration is a rare congenital anomaly, characterized by aberrant lung tissue supplied by an aberrant systemic artery or arteries coursing within the inferior pulmonary ligament. The intralobar variety is the most frequent form. Clinical presentation may include recurrent haemoptysis and infection.
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