A5024140695- Sulfur-Based Synthesis Techniques
- Catalytic C–H Functionalization Methods
- Chemical Synthesis and Reactions
- Synthesis and Catalytic Reactions
- Catalytic Cross-Coupling Reactions
- Asymmetric Hydrogenation and Catalysis
- Crystallization and Solubility Studies
- Phenothiazines and Benzothiazines Synthesis and Activities
- X-ray Diffraction in Crystallography
- Analytical Chemistry and Chromatography
- Chemical Synthesis and Analysis
- Oxidative Organic Chemistry Reactions
- Quinazolinone synthesis and applications
- Cyclopropane Reaction Mechanisms
- Advanced Computational Techniques and Applications
- Asymmetric Synthesis and Catalysis
- Vanadium and Halogenation Chemistry
- Industrial Technology and Control Systems
- Service-Oriented Architecture and Web Services
- Geoscience and Mining Technology
- Crystal structures of chemical compounds
- Petri Nets in System Modeling
- Microfluidic and Capillary Electrophoresis Applications
- Business Process Modeling and Analysis
- Advanced Sensor and Control Systems
Chengdu University of Technology
2016-2025
Hangzhou Institute of Applied Acoustics
2024
China National Petroleum Corporation (China)
2023
Jiangxi University of Science and Technology
2020-2023
First Affiliated Hospital of GuangXi Medical University
2022
Guangxi Medical University
2022
Chengdu University
2019-2021
Chongqing Public Health Medical Center
2016
Chongqing Medical University
2016
Xi'an Polytechnic University
2015
Twenty-one land surface schemes (LSSs) performed simulations forced by 18 yr of observed meteorological data from a grassland catchment at Valdai, Russia, as part the Project for Intercomparison Land-Surface Parameterization Schemes (PILPS) Phase 2(d). In this paper authors examine simulation snow. comparison with observations, models are able to capture broad features snow regime on both an intra- and interannual basis. However, weaknesses in exist, early season ablation events significant...
In the Project for Intercomparison of Land-Surface Parameterization Schemes phase 2a experiment, meteorological data year 1987 from Cabauw, Netherlands, were used as inputs to 23 land-surface flux schemes designed use in climate and weather models. evaluated by comparing their outputs with long-term measurements surface sensible heat fluxes into atmosphere ground, upward longwave radiation total net radiative fluxes, also them latent derived a energy balance. Tuning observed was not...
A ligand-free CuI-catalyzed cascade C–S and C–N cross coupling of (hetero)aryl ortho-dihalides ortho-aminobenzenethiols has been developed, various phenothiazines were synthesized with excellent regioselectivity. possible mechanism is proposed for the coupling.
A one-pot protocol for the synthesis of highly enantiopure benzylic thioethers, thioacetates, and sulfones (94–99% ee) via a ligand-free, copper-catalyzed stereospecific C–S coupling reaction thiols enantioenriched tertiary amines in situ activation by methyl triflate is developed. Various amines, including 1-arylalkylamines, 1-tetrahydronaphthylethylamine, heterocyclic (e.g., 1-(thiophen-2-yl)ethanamine), amino acid esters containing benzylamine moiety, are efficient substrates, their...
A metal-free, iodine-catalyzed N–H/S–H dehydrocoupling reaction of sulfoximines and anilines with various thiols to construct sulfur–nitrogen bonds has been developed.
This paper describes the synthesis of 2-substituted and 2,3-disubstituted 4(3H)-quinazolinones via a tandem reaction involving anthranilamides aromatic aldehydes catalyzed by 3 mol% CuO powder under air atmosphere. new method has several advantages: it uses recyclable cheap as catalyst green oxidant, water is only byproduct, solvent recycled. It easy to run, high atom economy good excellent yields. A mechanism for CuO-catalyzed proposed.
A transition metal-free synthesis of <italic>N</italic>-(arylthio/seleno)ethyl sulfoxidmines <italic>via</italic> blue LED light-promoted radical sulfoximido-chalcogenization aliphatic and aromatic alkenes was developed.
Abstract Simple, inexpensive, preformed vanadium‐Schiff base complexes were facilely prepared and used in enantioselective sulfoxidation. Both the amount of aqueous H 2 O reaction time greatly influenced ee values yields chiral sulfoxides. High enantioselectivities (up to 99% ee) reasonable (>40%) for various sulfoxides achieved by combining sulfoxidation appropriate concomitant kinetic resolution.
The palladium-catalyzed C–N cross coupling of sulfinamides and aryl halides is reported. In the presence Pd2(dba)3, tBuXPhos, NaOH, a small amount water, chiral tert-butanesulfinamide was accomplished to give N-aryl without racemization, racemic p-toluenesulfinamide smoothly afforded p-toluenesulfinamides. 2-Bromopyridine also suitable for coupling. Addition water catalytic system importance obtain high yields.
Alkyl halides, including heteroarylmethyl and arylmethyl bromoacetate, cinnamyl bromide, are readily prepared via halogenation from basic raw materials, even using green processes. It is essential to replace their downstream products with them prepare medicinally important heterocycles quinazolin-4(3<i>H</i>)-ones. Copper(I) bromide catalyzed domino reaction of alkyl halides anthranilamides under air affords 2-substituted quinazolin-4(3<i>H</i>)-ones in good excellent yields wide functional...
A new protocol was developed to synthesize (enantioenriched) thioethers and selenoethers from (chiral) benzylic trimethylammonium salts di(hetero)aryl disulfides or diselenides. These syntheses were promoted by the presence of weak base did not require use any transition metal, resulted in target products with good excellent yields (72-94%). Using quaternary ammonium synthesized enantiomerically enriched amines led highly enantiopure (94-99% ee) configurations reversed those their...
Abstract Sulfinamides, especially enantiopure sulfinamides, are widely used in organic and medicinal synthesis. Syntheses transformations of racemic enantioenriched sulfinamides have achieved great progress. Especially demonstrate interesting valuable reactivity, which deserves to be pertinent. This review summarizes the latest development synthesis transformation will helpful for future related research. 1 Introduction 2 Synthesis Sulfinamides 2.1 Racemic 2.2 Enantiomerically Pure 2.3 Other...
Abstract An unusual halosulfonylation of olefins, p ‐tosylhydrazones, and NBS without the need for any additional base or catalyst has been successfully discovered via elimination diazo compound intermediate. This reaction produces two classes compounds, namely β‐bromo sulfones vinyl sulfones, with entirely distinct structures under different column chromatography conditions. A free radical‐type mechanism this is proposed based on control experiments HRMS analysis. an easy, eco‐friendly,...