A5055051572- Catalytic C–H Functionalization Methods
- Radical Photochemical Reactions
- Sulfur-Based Synthesis Techniques
- Synthesis and Catalytic Reactions
- Fluorine in Organic Chemistry
- Carbon dioxide utilization in catalysis
- Cyclopropane Reaction Mechanisms
- Asymmetric Hydrogenation and Catalysis
- Organoselenium and organotellurium chemistry
- Quinazolinone synthesis and applications
- Chemical Synthesis and Reactions
- N-Heterocyclic Carbenes in Organic and Inorganic Chemistry
- Oxidative Organic Chemistry Reactions
- Catalytic Cross-Coupling Reactions
- CO2 Reduction Techniques and Catalysts
- Electrochemical Analysis and Applications
- Catalysts for Methane Reforming
- Aerogels and thermal insulation
- Molecular Sensors and Ion Detection
- Catalytic Processes in Materials Science
- Surface Modification and Superhydrophobicity
- Catalysis for Biomass Conversion
- 2D Materials and Applications
- Organoboron and organosilicon chemistry
- Advanced Photocatalysis Techniques
Changzhou Institute of Technology
2019-2025
Catalytic Materials (United States)
2024
Changzhou University
2024
Donghua University
2018-2022
University of Utah
2018
Jiangsu Normal University
2014-2016
A practical electrochemically driven method for fluorosulfonylation of both aryl and alkyl thianthrenium salts has been disclosed. The strategy does not need external redox reagents or metal catalysts. In combination with C-H thianthrenation aromatics, this provides a new tool the site-selective drugs.
A practical electrosynthesis of aryl sulfonyl fluorides from nitroarenes is described. Cheap N -methylimidazolium p -toluenesulfonate has been found to be an effective additive, promoting the desired fluorosulfonylation under very mild conditions.
Metal-free and oxidant-free <italic>n</italic>-Bu<sub>4</sub>NI as a redox catalyst electrolyte.
A practical transition metal-free approach for the selective benzylation of NH-sulfoximines has been disclosed by using simple elemental iodine as catalyst and tert-butyl hydroper-oxide (TBHP) terminal oxidant. Comparing...
We developed a green method for the synthesis of spiro[4.5]trienones through an electrochemical oxidative halocyclization with N-aryl alkynamides. This reaction was conducted under metal-catalyst- and exogenous-oxidant-free conditions at room temperature. Using readily available LiCl, LiBr, LiI as halogen source, variety dearomative halo-spirocyclization products were obtained in good to excellent yields broad scope functional group tolerance.
A practical and mild electrochemical protocol for cyanation cyanomethylation of trimethylammonium salts has been developed.
By merging electrocatalysis and nickel catalysis, a unified strategy has been successfully applied to achieve the decarboxylative cross-coupling of four types α-oxocarboxylic acids their derivatives with aryl trimethylammonium salts under mild conditions. Our provides practical way for preparing ketones, amides, esters, or aldehydes.
A transition-metal- and oxidant-free electrochemical strategy for radical fluoroalkylation of vinyl azides was developed. The reaction carried out under mild conditions by using inexpensive bench-stable RfSO2Na (Rf = CF3, CF2H) as fluorination reagents. Depending on the starting material, both cyclization dearomatization products could be obtained. This method provides a green safe approach to synthesize fluorinated nitrogen heterocycles.
Under atmospheric pressure, quinazoline-2,4(1<italic>H</italic>,3<italic>H</italic>)-diones were obtained from the reaction of 2-aminobenzonitriles with carbon dioxide (0.1 MPa) a catalytic amount N-heterocyclic carbene in DMSO.
An efficient manganese-catalyzed ortho-C-H amidation of weakly coordinating aromatic ketones using the readily available sulfonyl azide as amination reagent is developed. The key step ketone directed metalation in situ generated reactive Mn intermediate, MnMe(CO)5. This method offers excellent chemical yields, high regioselectivities, and good functional group tolerance.
Abstract We report here in an efficient electrochemical oxidative selenosulfonylation of alkynes and oxysulfonylation alkenes without use metal catalysts. This method provides a practical access to wide range β ‐(seleno)vinyl sulfones ‐keto sulfones. These reactions can tolerate various functional groups be easily scaled‐up.
We reported an efficient and environmentally benign electrochemical synthesis of phenanthridines by oxidative coupling vinyl azides with sodium azide or benzenesulfonyl hydrazides, for the first time. The reaction conditions are mild, no additional metal‐catalyst exogenous oxidants needed. protocol has broad substrate scope high functional group tolerance. Furthermore, this green procedure can be readily extended to β ‐ketosulfones. Gram scale reactions further demonstrate practicability.
Herein, we report an efficient electrochemical method for the synthesis of N-alkylated sulfoximines by oxidative C(sp3)–H/N–H coupling and diarylmethanes. In addition, used same conditions dehydrogenative amination diarylmethanes with benzophenone imine as aminating agent. The reactions showed good functional group tolerance afforded corresponding products in moderate to yields without use a stoichiometric oxidant, metal catalyst, or activating
Electrocatalytic three-component acylcyanation and aminocyanation of simple alkenes have been developed. The protocol features high functional group tolerance can easily be scaled up. key to success is use an electrophilic cyanation source, enabling a broadened aliphatic ones for acylcyanation.
Abstract Herein, we report a general method for the synthesis of NH‐sulfoximines and NH‐sulfonimidamides through direct electrochemical oxidative catalysis involving an iodoarene(I)/iodoarene(III) redox couple. In addition, dibenzothiazines can be synthesized from [1,1′‐biaryl]‐2‐sulfides under standard conditions. Notably, only catalytic amount iodoarene is required generation in situ active hypervalent iodine catalyst, which avoids need excess reagent relative to conventional approaches....
Abstract We have developed an efficient manganese‐catalyzed amidation of various heteroarenes via C−H bond activation using readily available sulfonyl azides. The key step is heteroarene directed electrophilic aromatic metalation MnBr(CO) 5 as catalyst. This method offers excellent chemical yields and regioselectivity with good functional group tolerance. base metal catalyzed reaction proceeds efficiently water the only solvent nitrogen byproduct. magnified image
A simple and effective aromatic nucleophilic monosubstitution reaction for the synthesis of amines <italic>via</italic> selective C–F bond cleavage various fluoroarenes with primary secondary is demonstrated.
We report a direct electrocatalytic borylation of aryl and benzyl trimethylammonium salts with bis(pinacolato)diboron at room temperature.
Main observation and conclusion A copper‐catalyzed radical cyclization of cyclobutanone oxime esters vinyl azide is described. This method provides facile access to cyanoalkyl‐substituted phenanthridines quinoxalines with excellent isolated yields. Moreover, these reactions proceed under mild conditions a board substrate scope functional group tolerance.
Nanostructured metastable metallic phase transition-metal dichalcogenides (TMDs) have attracted tremendous attention due to their promising practical applications in the hydrogen evolution reaction (HER).