This study explores the deoxygenation of pyridine -oxides and presents a one-step photoredox method for the direct synthesis of 2-hydroxymethylated pyridines from pyridine -oxides. Mechanism studies elucidate the role of the catalyst and provide evidence of the possible electron transfer process and the formation of key radicals. A range of pyridine derivatives, particularly 2-hydroxymethyl-substituted pyridines, which may be difficult to obtain, can be synthesized in a single step.
Download full-text PDF |
Source |
---|---|
http://dx.doi.org/10.1021/acs.joc.4c02770 | DOI Listing |
J Hazard Mater
January 2025
Nanjing Yuqing Environmental Technology Co., Ltd, Nanjing 211500, China.
The chemical looping co-gasification of nitrogen-containing algal biomass and coal could effectively realize the high-value utilization of gasification products, but the mechanism of conversion of nitrogen-containing pollutants is not clear. In this work, the effects of the different ratios of microalgae on the co-gasification process were first explored, and the results showed that the 40 % coal + 60 % microalgae blending had the best synergistic effect, with a comprehensive synergistic index (CSI) of 1.35 as the maximum value.
View Article and Find Full Text PDFInvest Ophthalmol Vis Sci
January 2025
Department of Ophthalmology, National Taiwan University Hospital, Taipei, Taiwan.
Purpose: To investigate the effect of Rho-associated protein kinase (ROCK) inhibitor Y27632 on bioenergetic capacity and resilience of corneal endothelial cells (CECs) under metabolic stress.
Methods: Bovine CECs (BCECs) were treated with Y27632 and subjected to bioenergetic profiling using the Seahorse XFp Analyzer. The effects on adenosine triphosphate (ATP) production through oxidative phosphorylation and glycolysis were measured.
Dalton Trans
January 2025
Department of Chemistry, School of Applied Sciences, Kalinga Institute of Industrial Technology (KIIT) Deemed to be University, Bhubaneswar 751024, Odisha, India.
Energy crisis and environmental pollution are two central themes of contemporary research towards achieving sustainable development goals (SDGs). Material chemistry is the chief discipline that can resolve glitches in these areas through the appropriate design of chemical compounds with multifunctional properties. In this regard, two stable coordination polymers (CPs) were synthesised in this work using Zn(II) (3d) and Cd(II) (d) metal nodes with 1,4-benzenedicarboxylate () as the bridging ligand and monodentate pyridyl-N coordinated 9-fluoren-2-yl-pyridin-4-ylmethylene-amine (flpy) as the fluorogenic partner.
View Article and Find Full Text PDFEnviron Res
January 2025
Department of Environmental Engineering, Chungbuk National University, Cheongju, Chungbuk 28644, Republic of Korea. Electronic address:
Volatile organic compounds (VOCs), such as toluene, are hazardous air pollutants that pose significant health and environmental risks. This study addresses remediation of toluene by developing a bifunctional nitrogen-doped biochar (NDB) activated with sodium hydroxide (NaOH), aimed at reducing toluene emissions through both adsorption and catalytic oxidation. A series of NDB samples were prepared via NaOH activation and pyrolysis at varying temperatures to optimize their adsorption capacity and catalytic performance.
View Article and Find Full Text PDFHum Cell
January 2025
The First Branch, Hongqi Hospital Affiliated to Mudanjiang Medical University, No. 5 Tongxiang Street, Aimin District, Mudanjiang, 157000, China.
Subarachnoid hemorrhage (SAH) is a type of hemorrhagic stroke, and the neuroprotective effects of nimodipine following SAH have been well-documented. Sirtuin 3 (SIRT3), a mitochondrial nicotinamide adenine dinucleotide (NAD)-dependent deacetylase, plays a significant role in mitigating oxidative stress in various neurodegenerative conditions. However, the role of SIRT3 in the neuroprotective mechanisms of nimodipine after SAH remains unclear.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!