A5100636982- Catalytic C–H Functionalization Methods
- Cyclopropane Reaction Mechanisms
- Sulfur-Based Synthesis Techniques
- Chemical Synthesis and Reactions
- Synthesis and Catalytic Reactions
- Oxidative Organic Chemistry Reactions
- Fluorine in Organic Chemistry
- Asymmetric Synthesis and Catalysis
- Laser-Matter Interactions and Applications
- CO2 Reduction Techniques and Catalysts
- Turbomachinery Performance and Optimization
- Carbon dioxide utilization in catalysis
- Synthesis of heterocyclic compounds
- Catalytic Alkyne Reactions
- Hydrogels: synthesis, properties, applications
- Advanced Polymer Synthesis and Characterization
- Laser Material Processing Techniques
- Heat Transfer Mechanisms
- Radical Photochemical Reactions
- Ionic liquids properties and applications
- Atmospheric and Environmental Gas Dynamics
- Asymmetric Hydrogenation and Catalysis
- Spectroscopy and Laser Applications
- Solid State Laser Technologies
- Nonlinear Optical Materials Studies
Nanning Normal University
2023-2025
Shenzhen University
2021-2025
Chinese Academy of Sciences
2012-2024
Sichuan University
2020-2024
University of Chinese Academy of Sciences
2016-2024
Baoji University of Arts and Sciences
2011-2024
Hebei University of Science and Technology
2024
Henan Academy of Sciences
2024
Institute of Engineering Thermophysics
2024
Shanghai Institute of Optics and Fine Mechanics
2014-2023
A catalyst-free procedure has been developed for the construction of sulfonated oxindoles <italic>via</italic> direct arylsulfonylation activated alkenes with sulfinic acids.
Development of high-performance catalysts for carbon dioxide (CO2) hydrogenation is crucial CO2 utilization. Herein, a heterogeneous catalyst to formate was developed by coordinating the mononuclear Ru3+ center (Ru hereafter) with N,P-containing polymer, which synthesized from phosphonitrilic chloride trimer and 2,6-diaminopyridine. Multiple nitrogen functionalities in polymer (N content: 25.9 wt %) containing pyridine phosphazene not only provided an electron-rich coordination environment...
Abstract In this study, a new type of lead‐free double perovskite Cs 2 TeBr 6 combined with metal‐free semiconductor g‐C 3 N 4 heterojunction is constructed and used for photocatalytic CO reduction the first time. The S‐scheme charge transfer mechanism between systematically verified by X‐ray photoelectron spectroscopy (XPS), electron spin resonance (ESR) in situ Fourier infrared spectroscopy(FT‐IR). formation S‐type makes photocatalyst have higher separation ability highest redox ability....
Inspired by a fungicide, we designed 5-vinyloxazolidine-2,4-diones as new precursors of π-allylpalladium zwitterionic intermediates and developed palladium-catalyzed asymmetric (5 + 3) cycloaddition with azomethine imines (3 2) 1,1-dicyanoalkenes. Both reactions proceeded smoothly under mild reaction conditions to produce various chiral heterocyclic compounds in high yields excellent enantioselectivities. These results revealed that were type suitable precursor for palladium catalysis will...
Miniaturization is currently an important trend in environmental and food monitoring because it holds great promise for on-site detection. We report here two ready-to-use chip-based fluorescent sensors, compatible with microarray technology reagentless, one-step, fast, highly sensitive selective detection of the mercuric ion (Hg2+) turn-on turn-off operation modes. Both modes are based on T–Hg2+–T coordination between neighboring polythymine (T) strands at a high probe density its induced...
α-Acidic isocyanides are versatile reagents in organic synthesis, especially for the synthesis of five-membered heterocycles via [3 + 2]-cycloaddition reactions with activated multiple bonds. In this communication, first 3]-cross-cycloaddition α-acidic 1,3-dipolar azomethine imines to generate a series 1,2,4-triazine derivatives significant regiochemical control under mild catalytic reaction conditions is described. This new strategy shows that can also be taken as potent six-membered...
Diastereo- and enantioselective cycloaddition of 3-nitroindoles with vinyl aziridine was realized under Pd-catalysis using commercially available Walphos as the ligand, affording pyrroloindolines in high yields diastereo- enantioselectivities. The reaction can be scaled up to a gram scale products are easily converted amino pyrroloindoline other derivatives.
An asymmetric [3 + 2] cycloaddition reaction of vinyl epoxides with α,β-unsaturated ketones, the single activated electron-deficient alkenes, has been achieved under Pd-catalysis in excellent diastereo- and enantioselectivity. The utilities protocol are demonstrated by transformation products into other useful chiral molecules. Density functional theory calculations rationalize stereocontrol reaction.
The relay catalytic platform is very efficient and selective for CO<sub>2</sub> electroreduction to ethanol.
A mild visible-light-induced Pd-catalyzed intermolecular radical cascade reaction of N-arylacrylamides with unactivated alkyl bromides is disclosed. Photoexcited Pd complexes transfer a single electron in this protocol, and hybrid Pd-radical species are involved as the key intermediates. Sophisticated bioactive oxindole derivatives bearing various substituents substitution patterns can be efficiently afforded through approach.
Thermo-catalytic CO2 hydrogenation to high-value oxygenates has been regarded as one of the most powerful strategies that can potentially alleviate excessive emissions. However, due high chemical stability and variability pathways, it is still challenging achieve highly active selective hydrogenation. Single atom catalysts (SACs) with ultrahigh metal utilization efficiency extraordinary electronic features have displayed growing importance for thermo-catalytic multiple developed improve...
A facile microarray-based fluorescent sensor for the detection of lead (II) was developed based on catalytic cleavages substrates by a DNAzyme upon its binding to Pb(2+). The release fluorophore labelled resulted in decrease fluorescence intensity. had quantifiable range from 1 nM μM and selectivity >20 fold Pb(2+) over other metal ions.
The activated alkynes have been used successfully for the first time as dipolarophile in palladium-catalyzed asymmetric (3 + 2) cycloaddition, affording highly functionalized cyclopentenes good to high yields with chemoselectivities and enantioselectivities. introduction of an additional carbonyl group at α-position alkynyl esters is key activating carbon-carbon triple bond. reaction process was investigated, inverse Pd-catalyzed cycloaddition observed.
1,1,2-Trisubstituted alkenes with a single activator were used in the Pd-catalyzed asymmetric cycloaddition of vinyl epoxides high diastereo- and enantioselectivities.
Alkynyl esters are viable dipolarophiles for the palladium-catalyzed asymmetric (3 + 2) cycloaddition with vinyl epoxides. The chiral dihydrofurans obtained in high yields and ee values. use of a benzylic substituted P,N-ligand is essential. usefulness synthetic method has been demonstrated; 2,3-cis-tetrahydrofuran was also provided.
Since over 70% of carbon emissions are from urban areas, it is great importance to develop an effective measurement technique that can accurately monitor atmospheric CO2 in global areas. Remote sensing could be way achieve this goal. However, due high aerosol loading there large, inadequately resolved areas the products acquired by passive remote sensing. China planning launch Atmospheric Environment Monitoring Satellite (AEMS) equipped with a CO2-light detecting and ranging (LIDAR) system....
A transition-metal-free multicomponent cascade reaction of α-halogenated ketones, <italic>ortho</italic>-aminophenols, and aldehydes using a dipeptide phosphonium salt catalyst was developed for the construction various 2<italic>H</italic>-1,4-benzoxazines.
The Pd-catalyzed asymmetric [4+2] cycloaddition reaction of an aliphatic 1,4-dipole with singly activated electron-deficient alkenes is realized for the first time, enabled by using a newly developed benzylic substituted P,N-ligand, affording tetrahydropyrans having three continuous chiral centers in high yields diastereo- and enantioselectivities. rational transition states as well role center are proposed.
Abstract Electrochemical reduction of CO 2 (CO RR) to formate is a promising route prepare value‐added chemical. Developing low‐cost and efficient electrocatalysts with high product selectivity still grand challenge. Herein, novel Cu anchored on hollow carbon spheres catalysts (HCS/Cu‐ x , represents the mass CuCl added in system) designed controllable copper/carbon heterogenous interfaces. Rich interfaces structure optimized HCS/Cu‐0.12 catalyst are beneficial charge transmission. Compared...
Complexes of a poly(methacrylic acid-co-methyl methacrylate) network with poly(ethylene glycol) stabilized by hydrogen bonds were prepared. By introducing glycol), the complexes possessed shape memory effect, due to which large difference in storage modulus below and above glass transition temperature occurred. The morphology was investigated mechanism behavior discussed. This kind can be regarded as novel network.