A5076705289- Asymmetric Synthesis and Catalysis
- Asymmetric Hydrogenation and Catalysis
- Synthetic Organic Chemistry Methods
- Synthesis and Catalytic Reactions
- Cyclopropane Reaction Mechanisms
- Chemical Synthesis and Analysis
- Chemical Synthesis and Reactions
- Ferrocene Chemistry and Applications
- Coordination Chemistry and Organometallics
- Catalytic C–H Functionalization Methods
- Surface Chemistry and Catalysis
- Insect Pest Control Strategies
- Synthesis of β-Lactam Compounds
- Fungal Plant Pathogen Control
- Carbon dioxide utilization in catalysis
- Ionic liquids properties and applications
- Synthesis and Biological Evaluation
- Enhanced Oil Recovery Techniques
- Electrochemical Analysis and Applications
- Regional Development and Environment
- Advanced Polymer Synthesis and Characterization
- Surface Modification and Superhydrophobicity
- Coagulation and Flocculation Studies
- Catalytic Cross-Coupling Reactions
- Per- and polyfluoroalkyl substances research
North China University of Water Resources and Electric Power
2019-2024
Zhejiang University of Technology
2020-2021
Shihezi University
2019
Institute of Process Engineering
2017
Beijing Institute of Technology
2010-2015
Shanghai Institute of Organic Chemistry
2005-2006
Chinese Academy of Sciences
1998-2005
Lamar University
1995
Two cationic polyacrylamides, PAA and PAD, were synthesized for sludge dewatering. The advanced instruments such as 1H NMR, FTIR, SEM used to characterize the two copolymers. Their hydrophobic association properties in water investigated by viscosimetry well dewatering performance studied experiment. results showed that optimum conditions preparation of initiator concentration, urea molar ratio AODBAC AM, irradiation time 0.3‰, 1.0%, 10:90, 60 min, respectively. Also, it was found had a...
Several simple and convenient transformations of imines aziridines under mild conditions have been developed, rendering access to several kinds β-amino derivatives, α-amino nitriles phosphonates, aziridines, conjugated dienes from neutral metal-free very conveniently. High stereoselectivities are realized in most reactions based upon mechanistic considerations.
To discover new compounds with broad spectrum and high activity, we designed a series of novel benzamides containing 1,2,4-oxadiazole moiety by bioisosterism, 28 derivatives antifungal activity were synthesized. These evaluated against four fungi: Botrytis cinereal, FusaHum graminearum, Marssonina mali, Thanatephorus cucumeris. The results indicated that most the displayed good fungicidal activities, especially cinereal. For example, 10a (84.4%), 10d (83.6%), 10e (83.3%), 10f (83.1%), 10i...
Abstract A series of enantioselective pyrrolidine‐2,4,4‐tricarboxylate derivatives were synthesized by the [3+2] 1,3‐dipolar cycloaddition azomethine ylide with alkylidene malonates. By using 4 mol % a Cu II N,P oxazolinylferrocene ligand complex and 10 base, pyrrolidine analogues obtained in high yields (77–99 %) excellent enantioselectivities (up to 99 ee ).
To find pesticidal lead compounds with high activity, a series of novel benzamides substituted pyridine-linked 1,2,4-oxadiazole were designed by bioisosterism, and synthesized easily via esterification, cyanation, cyclization aminolysis reactions. The structures the target confirmed 1H-NMR, 13C-NMR HRMS. preliminary bioassay showed that most had good larvicidal activities against mosquito larvae at 10 mg/L, especially compound 7a, activity as 100%, even 1 mg/L was still 40%; 50 all...
Since the discovery of classical chiral oxazoline ferrocene ligands in 1995, they have become pivotal transition metal-catalyzed asymmetric transformations. Over past decade, a notable evolution has been observed with emergence siloxane-substituted ferrocenes, demonstrating significant potential as and catalysts. These compounds consistently delivered exceptional results diverse mechanistically distinct transformations, surpassing capabilities ligands. This review meticulously delineates...
ABSTRACT Convergence of biodegradability and functionality is a major direction new generation bio‐based materials. Functionalized aliphatic polyesters based on glycerol are synthesized by solvent‐free polycondensation directly. The aim to prepare linear with pendant hydroxyl groups along the polymer backbone. performance sustainable biocatalyst Novozyme‐435 (an immobilized form Candida antarctica lipase B) metal‐based catalyst scandium trifluoromethanesulfonate (also known as triflate) were...
Highly efficient and recyclable imidazolium-tagged bis(oxazolines), with an imidazolium tagged onto the 4,4′-position of box, have been designed prepared for first time.
Abstract Chiral oxazolinyl hydroxyl ferrocenes have been demonstrated as representative catalysts in enantioselective nucleophilic addition reactions the last few decades. They received much interest from chemists because of not only numerous substitution patterns at their sandwich backbones, but also superior catalytic activity asymmetric transformations. Recent research has revealed that planar chirality these influences stereochemistry products and application scope reactions. Herein, we...
In the past two decades, chiral oxazolinyl ferrocenes and their corresponding transition-metal complexes have been investigated as one of most significant catalysts in asymmetric transformations.The synthesis established key structural foundation for achieving with excellent activity stereoselective control.In this review, typical derivatives framework are surveyed, practical preparation strategies recent years overviewed.The potential challenges further applications field ferrocene also delivered.
The deposition of Yellow River sediment in the middle and lower reaches is a significant factor siltation reservoirs occurrence serious flooding along river. efficient valuable utilization has already become key research topic this field. In study, we have employed as primary material, conjunction with commercially available slag, fly ash, quicklime binder, to develop novel type artificial flood-prevention stone. Following 28-day standard curing procedure, highest compressive strength...
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