Xiaoyong Xu

Xiaoyong Xu
Yangzhou University · College of Physics Science and Technology

PhD

About

164
Publications
7,859
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3,028
Citations
Citations since 2017
81 Research Items
2374 Citations
20172018201920202021202220230100200300400500
20172018201920202021202220230100200300400500
20172018201920202021202220230100200300400500
20172018201920202021202220230100200300400500
Introduction
Skills and Expertise

Publications

Publications (164)
Article
In order to develop anthranilic diamides with novel chemotypes, a series of anthranilic diamides with acrylamide linkers were designed and synthesized. The results of preliminary bioassays indicated that compounds with a monofluoroalkene amide linker (Z-isomer) exhibited good larvicidal activity against lepidopteran pests. The LC50 values of compou...
Article
An asymmetric cascade allylation/spiroketalization reaction between 2-(1-hydroxyallyl)phenols and 5-methyleneoxazolines is accomplished by using a chiral Ir(I) catalyst derived from commercially available iridium precursor and the Carreira ligand. This protocol furnishes a class of structurally novel and unique oxazoline-spiroketals in up to 86% yi...
Article
Full-text available
There has been great interest in developing and designing economical, stable and highly active electrocatalysts for the hydrogen evolution reaction (HER) via water splitting in an aqueous solution at different pH values. Transition-metal dichalcogenides (TMDCs), e.g., MoS2, are identified to be promising catalysts for the HER due to the limited act...
Article
Substituting the benzene ring of flubendiamide by maleic diamide structures to adjust the conformation, a series of 24 novel compounds were designed and synthesized. All target molecular structures had been confirmed by satisfactory analytical and spectral data and evaluated the effects on major agricultural pests. According to the results of the i...
Article
The rapid prevalence of antibiotic resistance has led to a significant global health problem. Although colistin is the last resort antibiotic, it is limited by dose dependent toxicity. A critical approach to solve this problem is to use an antibiotic adjuvant, which is able to potentiate the activity of antibiotic and reduce the dosage of antibioti...
Article
To develop potent and environment-friendly insecticides, novel N-pyridylpyrazole amide derivatives containing a phthalimide were designed and synthesized. The preliminary bioassay results showed that most of the target compounds exhibited good insecticidal activities. For oriental armyworm (Mythimna separata), compounds E5, E29, E30, and E33 displa...
Article
Full-text available
Cost-efficient bifunctional electrocatalysts with good stability and high activity are in great demand to replace noble-metal-based catalysts for overall water-splitting. Ni3S2 has been considered a suitable electrocatalyst for either the hydrogen evolution reaction (HER) or the oxygen evolution reaction (OER) owing to its good conductivity and sta...
Article
Large perpendicular magnetic anisotropy (MA) is highly desirable for realizing atomic-scale magnetic data storage which represents the ultimate limit of the density of magnetic recording. In this work, we study the MA of transition metal dimers Co-Os, Co-Co and Os-Os adsorbed on two-dimensional ferroelectric In2Se3 (In2Se3-CoOs, In2Se3-OsCo, In2Se3...
Article
Plant-parasitic nematodes are major threat for crop protection. The lack of nematicides with new mode of action and increasing resistance raises the need for novel nematicides. In order to seek new nematicidal lead, originating from the structure of chalcone, a series of fused ring compounds was obtained by ring closure design strategy. These compo...
Article
Efficient photoelectrochemical (PEC) water splitting holds great promise for sustainable production of green hydrogen by using abundant solar energy. The design of photoanodes operating water oxidation reaction (WOR) remains a significant challenge in overall efficiency optimization of photo-induced charge multistage dynamics including charge gener...
Article
An efficient protocol for the Hantzsch synthesis of 2, 3, 5, 6-tetrasubstituted unsymmetrical pyridines has been developed through Fe(OAc)2 promoted condensation of multicomponent carbonyl compounds, in which the C4 of the pyridine rings was derived from DMF and the nitrogen atom resulted from 1, 1-dichloro-2-nitroethene (DCNE). The target products...
Article
An efficient Lewis acid-controlled divergent synthesis of 3-nitrocoumarins and 4H-chromenes under mild conditions has been developed. The corresponding 3-nitrocoumarin products were obtained in moderate to excellent yields through FeCl3-catalyzed annulation of 1,1-bis (methylthio)-2-nitroethylene with various salicylaldehydes, while 4H-chromene pro...
Article
Pre‐catalyst reconstruction in electrochemical processes has recently attracted intensive attention with mechanistic potentials to uncover really active species and catalytic mechanisms and advance targeted catalyst designs. Here, nickel‐molybdenum oxysulfide is deliberately fabricated as pre‐catalyst to present a comprehensive study on reconstruct...
Article
The application of agrochemicals is critical to global food safety. Nowadays, environmentally friendly green agrochemicals are the trend in field crop protection. The research and development of nematicides absorbed more attention as a typical representation of agrochemicals. This review describes the origin of recently commercialized nematicides,...
Preprint
Full-text available
Large perpendicular magnetic anisotropy (MA) is highly desirable for realizing atomic-scale magnetic data storage which represents the ultimate limit of the density of magnetic recording. In this work, we studied the MA of transition metal dimers Co-Os, Co-Co and Os-Os adsorbed on two-dimensional ferroelectric In2Se3 (In2Se3-CoOs, In2Se3-OsCo, In2S...
Article
Deuteriodifluoromethyl (CF2D) is a challenging and important functional group due to difficult deuterium incorporation and lack of effective precursor reagents. Herein, we report a bench-stable reagent, deuteriodifluoromethyl phosphine (DDFP) from cheap deuterium source for selectivity deuteriodifluoromethylation of azines with a high deuterium inc...
Preprint
Full-text available
The key challenge of industrial water electrolysis is to design catalytic electrodes that can stabilize high current density with low power consumption (i.e., overpotential), while industrial harsh conditions make the balance between electrode activity and stability more difficult. Here we develop an efficient and durable electrode for water oxidat...
Article
Exploring large and tunable magnetic anisotropy (MA) in a single magnetic atom is of merit for information storage due to the highest information data density. In this work, we studied the MA of transition-metal atoms X (X=Co, Fe, Ir, Mo, Nb, Ta, Ti, V, W) adsorbed on the surface of two-dimensional (2D) ferroelectric (FE) In2Se3 by first-principles...
Article
A facile and efficient protocol has been developed for the synthesis of fused 4H-pyran derivatives via one-pot three components combination of aldehydes, 1,1-bis(methylthio)-2-nitroethylene (BMTNE) and enolketone/dimedone derivatives under catalysis of FeCl3. The target products could be obtained in moderate to good yields. This article is protecte...
Article
Malignant gliomas are the most common brain tumors, with generally dismal prognosis, early clinical deterioration and high mortality. Recently, 2-aminoquinoline scaffold derivatives have shown pronounced activity in central nervous system disorders. We herein reported a series of 2-aminoquinoline-3-carboxamides as novel non-alkylator anti-glioblast...
Article
Oxygen evolution reaction (OER) is very important and even decisive in many electrochemical energy storage/conversion technologies, with an urgent need for cost-efficient catalysts to promote its kinetic behavior. Here, we synthesized a unique hybrid catalyst characterized by ultrafine cobalt/iron mixed oxide domains embedded in two-dimensional (2D...
Article
Full-text available
We theoretically study the plasmonic coupling between magnetic plasmon resonances (MPRs) and propagating surface plasmon polaritons (SPPs) in a three-dimensional (3D) metamaterial consisting of vertical Au split-ring resonators (VSRRs) array on Au substrate. By placing the VSRRs directly onto the Au substrate to remove the dielectric substrates eff...
Article
Most transition metal-based catalysts for electrocatalytic oxygen evolution reaction (OER) undergo surface reconstruction to generate real active sites favorable for high OER performance. Herein, how to use self-reconstruction as an efficient strategy to develop novel and robust OER catalysts by designing pre-catalysts with flexible components susc...
Article
Trifluoroethylthio group (SCH2CF3) is a key functionality in several pharmaceutical and agrochemical compounds, the methods for the installation of the 2,2,2- trifluoroethylthio group are sought after. Herein, we report a copper-catalyzed trifluoroethylthiolation reaction of S-(2,2,2-trifluoroethyl) benzenesulfonothioates and phenylboronic acids at...
Article
Full-text available
To enhance the photocatalytic water splitting performance of 2D ReS2, we theoretically propose a feasible strategy to engineer its band structure by applying strain or an electric field. Our calculated results show that the strains greatly tune the electronic structure of ReS2 especially band gap and band edge positions, because the strains signifi...
Article
In this work, using first-principles calculation we investigate the magnetic anisotropy (MA) of single-atom iridium (Ir) on TaS2 substrate. We find that the strength and direction of MA in the Ir adatom can be tuned by strain. The MA arises from two sources, namely the spin-conservation term and the spin-flip term. The spin-conservation term is mai...
Article
Full-text available
In order to explore the relationship between the structure and the toxicity to honey bees of seven-membered aza-bridged neonicotinoids, 16 novel seven-membered aza-bridged neonicotinoid analogues are synthesized by replacing the pyridine ring, and changing the substituents on the pyridine ring, the electron-withdrawing group NO 2 and the imidazole...
Article
Methane emitted by insects is considered to be an important source of atmospheric methane. Here we report the stimulation of methane emission in the cockroach Periplaneta americana and termite Coptotermes chaohuensis, insects with abundant methanogens, by neonicotinoids, insecticides widely used to control insect pests. Cycloxaprid (CYC) and imidac...
Article
Insecticide synergists are sought-after due to their potential in improving the pesticide control efficacy with a reduced dose of an active ingredient. We previously reported that a cis-configuration neonicotinoid (IPPA08) exhibited specific synergistic activity toward neonicotinoid insecticides. In this study, we synthesized a series of structural...
Article
Plant parasitic nematodes have always been a pressing problem in the field of plant protection. Well-established chemical nematicides, especially organophosphorus and carbamates are the most used products for nematode control worldwide. Due to long-term overuse, they have developed serious resistance and new innovative solutions are urgently requir...
Article
In the studies on dihydroxy intermediate synthesis, a serendipitous reaction of introducing nitro group from nitromethylene has been observed. Instead of expected dihydroxy compounds, dinitration structures with nitromethylene analogues were prepared under mild conditions by using a metal-free catalyst B(OH)3. In this reaction, the extra nitro grou...
Article
The d-band center descriptor based on the adsorption strength of adsorbate has been widely used in understanding and predicting the catalytic activity in various metal catalysts. However, its applicability is unsure for the single-atom-anchored two-dimensional (2D) catalysts. Here, taking the hydrogen (H) adsorption on the single-atom-anchored 2D b...
Preprint
Full-text available
In this work, using first-principle calculation we investigate the magnetic anisotropy (MA) of single-atom iridium (Ir) on TaS2 substrate. We find that the strength and direction of MA in the Ir adatom can be tuned by strain. The MA arises from two sources, namely spin-conservation term and spin-flip term. The spin-conservation term is generated by...
Preprint
Full-text available
The d-band center descriptor based on the adsorption strength of adsorbate has been widely used in understanding and predicting the catalytic activity in various metal catalysts. However, its applicability is unsure for the single-atom-anchored two-dimensional (2D) catalysts. Here, taking the hydrogen (H) adsorption on the single-atom-anchored 2D b...
Article
Direct seawater electrolysis is an attractive technology for scalable hydrogen production as well as seawater desalination, which however demands efficient and robust anodic catalysts that can sustain oxygen evolution reaction (OER) against chloride corrosion. Here we report an outstanding anodic catalyst consisting of three-dimensional standing ar...
Chapter
Plant-parasitic nematodes (PPNs) seriously threaten the safety of crop and agriculture. The use of chemical nematicides is still an important approach to control the occurrence and the spread of diseases that are caused by PPNs at present. In this paper the molecular design and nematicidal bioactivities of seven series of 1,2,3-benzotriazin-4-one d...
Article
Artificial Z-scheme systems that mimic natural photosynthesis are well applicable to photocatalytic overall water splitting for hydrogen (H2) production free of electricity. However, it commonly confronts low efficiency with huge challenge of steering charge transfer between H2 evolution photocatalyst (HEP) and oxygen evolution photocatalyst (OEP)....
Article
Full-text available
Human dihydroorotate dehydrogenase (DHODH) is a viable target for the development of therapeutics to treat cancer and immunological diseases, such as rheumatoid arthritis (RA), psoriasis and multiple sclerosis (MS). Herein, a series of acrylamide-based novel DHODH inhibitors as potential RA treatment agents were designed and synthesized. 2-Acrylami...
Preprint
Full-text available
Methane emitted by insects is considered to be an important source of atmospheric methane. Here we report the stimulation of methane emission in Periplaneta americana , an insect species with abundant methanogens, by neonicotinoids, insecticides widely used to control insect pests. The application of cycloxaprid (CYC) and imidacloprid (IMI) caused...
Article
The sluggish catalytic reactivity on the surface of most semiconductors is a common obstacle in developing photo-electrochemical (PEC) electrodes. Loading cocatalysts becomes a plausible scenario but remains challenging in the integration with semiconductors due to the complicated interfacial issues. This work introduces an feasible strategy of act...
Article
Solar Hydrogen Evolution In article number 2000094, Xiaoyong Xu, Jingguo Hu, Yong Zhou, and co‐workers introduce plasmon‐mediated electric and thermal stimuli into photocatalysis. Nickel nanoparticles function as plasmonic cocatalysts anchored on graphitic carbon nitride nanosheets to expand solar utilization over the NIR region for photocatalytic...
Article
Based on the characteristic of benzo[d][1,2,3]thiadiazole to induce the systemic acquired resistance and improve the immunity of plants, benzo[d][1,2,3]thiadiazole was introduced into 1,2,3-benzotriazin-4-one, thirty-one novel 1,2,3-benzotriazin-4-one derivatives containing benzo[d][1,2,3]thiadiazole were designed and synthesized. Nematicidal activ...
Article
Density functional theory calculations were performed to tune the band edge positions of two-dimensional 1T′-ReS2 by functionalization with surface ligands. A shift in the band edge was caused by the intrinsic dipole of the ligand and the induced dipole at the ligand/ReS2 interface. The upward shift in the band edge was tuned over a large range by...
Article
Exploring low‐cost and high‐activity cocatalysts cooperated with semiconductors is a prerequisite to advance cost‐efficient photocatalytic water splitting. Herein, we design nickel nanoparticles (NNPs) loading on graphitic carbon nitride (CN) as unique non‐noble metal cocatalysts with electric and thermal excitations upon surface plasmon for photoc...
Article
Monolayer MoS2 (ML-MoS2) is a direct gap semiconductor that exposes good optical absorption in visible region and good stability in acidic environment. However, its conduction band minimum is below the hydrogen redox potential of water, which greatly limits the application of ML-MoS2 in photoelectrocatalytic water-splitting. To rationalize applicab...
Article
Full-text available
Molybdenum disulfide (MoS2) has been considered to be a promising electrocatalyst for hydrogen evolution reaction (HER). Incorporation of 1 T phase is a strategy to allow basal planes of MoS2 nanosheets simultaneously possess highly active catalytic sites and metallic property. This strategy requires as many basal planes as possible to be exposed t...
Article
Oxygen evolution reaction (OER) is vital for a series of renewable energy solutions including water splitting and metal-air batteries. Great effort focused on nanostructure engineering has enabled substantial advance in cost-efficient OER catalysts. In contrast, this work reports a simple and feasible strategy to improve OER performance via integra...
Article
Exploring cost-efficient catalysts with bifunctional activities of hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) holds practical significance for overall water splitting. Herein, for the first time, we report a unique lateral heterostructure of ultrathin Ni3S2 nanosheets (NSs) edged with MoS2 as an efficient and durable bifu...
Article
Solar water splitting to hydrogen (H2) fuel is considered as a sustainable approach to meet green energy demands in the future, but mainly limited from sluggish hole dynamics involved in water oxidation reaction and bulk charge separation. Here we implement the hole dynamics engineering over cadmium sulfide (CdS) nanoparticles (NPs) via oxidation r...
Article
A series of novel 1,2,3-benzotriazin-4-one derivatives containing 4,5-dihydrothiazole-2-thiol were synthesized and characterized by ¹H NMR, ¹³C NMR, ¹⁹F NMR and HRMS. The bioassay results showed that compounds 3-(3-((4,5-dihydrothiazol-2-yl)thio)propyl)-7-methoxybenzo[d][1–3]triazin-4(3H)-one, 3-(3-((4,5-dihydrothiazol-2-yl)thio)propyl)-6-nitrobenz...
Article
Full-text available
Human dihydroorotate dehydrogenase (hDHODH), one of the attractive targets for the development of immunosuppressive drugs, is also a potential target of anticancer drugs and anti-leukemic drugs. The development of promising hDHODH inhibitors is in high demand. Based on the unique binding mode of our previous reported 4-thiazolidinone derivatives, v...
Article
Background As the first phenylpyrazole pesticide, fipronil has been widely used in crop protection and public hygiene. In the low energy conformation of fipronil, a pseudo six-membered ring is observed through an intramolecular hydrogen bond. Method A scaffold hopping strategy was applied to mimic the pseudo six-membered ring of fipronil by non-ar...
Article
Solar‐driven photo‐electrochemical (PEC) water splitting paves a promising route toward the future scalable hydrogen production. However, the water oxidation dominated by hole carriers excited in the photoanode is a critical bottleneck that hampers PEC overall efficiency due to sluggish hole transfer and surface reaction kinetics for most semicondu...
Article
Molybdenum sulfide (MoS2) has attracted considerable attention as one of noble-metal-free co-catalysts of hydrogen evolution reaction (HER) for artificial photosynthetic water splitting. There are well-known challenges in optimizing its catalytic activity to pursue the replacement of platinum (Pt) for HER, owing to the edge-limited active sites and...
Article
Full-text available
The two-dimensional 1T' phase of ReS2 has a unique structure and its electronic properties are independent of its thickness. These features distinguish ReS2 from other two-dimensional transition metal dichalcogenides (TMDCs) used as catalysts in the hydrogen evolution reaction (HER) and suggest that it may be a suitable alternative catalyst to the...
Article
Full-text available
Full‐spectrum solar‐light‐activated photocatalysis remains a challenging pursuit for light‐chemical energy conversion, especially the involvement of near‐infrared (NIR) light. To this end, the surface plasmon resonance (SPR) of Cu nanoparticles (NPs) anchored on WS2 nanosheets (NSs) is designed to expand light response over NIR region for broadband...
Article
Full-text available
Combining photoharvesting semiconductors with MoS2 co-catalysts is an intriguing approach to develop inexpensive and efficient photocatalysts for visible-light-driven hydrogen (H2) evolution; however, how to coordinate light absorbers and catalytic sites still remains a great challenge. Here, we propose a facile strategy for optimizing assembly of Cd...
Article
A novel synthesis of 2,3-dihydroimidazo[1,2-a]pyridin-5(1H)-one 4 and its derivatives were described. Preliminary bioassays showed that some of the target compounds exhibited excellent insecticidal activities against brown planthopper (Nilaparvata lugens), cowpea aphids (Aphis craccivora) (4, 5a, 5c, 5g, 5h, 5j, 5r, 6b, 6e) and carmine spider mite...
Article
Loading the electro-catalysts at the semiconductor-electrolyte interface is one of promising strategies to develop photoelectrochemical (PEC) water splitting cells. However, the assembly of compatible and synergistic heterojunction between the semiconductor and the selected catalyst remains challenging. Here, we report a hierarchical p-Si/ReS2 hete...
Article
BACKGROUND Neonicotinoids, such as imidacloprid, are selective agonists of insect nicotinic acetylcholine receptors (nAChRs) to control Nilaparvata lugens, a major rice insect pest. High imidacloprid resistance has been reported in N. lugens in laboratory and in fields. Cycloxaprid, an oxabridged cis‐nitromethylene neonicotinoid, showed high insect...
Article
Functionalized isoxazoline N‐oxides, 4,5‐dihydroisoxazoles and isoxazoles have attracted considerable attention because of their wide applications. Starting from 1,1‐dimethoxy‐2‐nitroethene and aldehydes, a cascade approach to these heterocycles was explored to achieve structural diversity controlled by different reaction conditions. Furthermore, t...
Article
Efficient water splitting via photo-electrocatalytic (PEC) systems holds great promise for producing hydrogen fuel in future energy devices. The artificial integration of photosensitive semiconductors and co-catalysts into effective PEC electrodes is becoming significantly challenging. Here, few-layer ReS2 nanosheets (NSs) were found to have both f...
Article
A catalyst-free sequential reaction involving hydrolysis and intramolecular aza-Michael addition was developed for synthesizing functionalized thiazolidines from 5-arylidenethiazolidin-4-ones at room temperature. A series of thiazolidine-5-carboxylic acids were prepared in good...
Article
Molybdenum disulfide (MoS2) has emerged as a promising electrocatalyst for hydrogen evolution reaction (HER), but its activity generally suffers from the limited edge active sites and stagnant conductivity. Here we report a controllable Pt decoration strategy on MoS2 nanosheet arrays (NSAs) anchored on three-dimensional (3D) conductive carbon fiber...
Article
A series of chromone derivatives containing substituted pyrazole were designed and synthesized. Preliminary bioassays showed that most of the synthesized compounds exhibited good nematicidal activity in vivo against Meloidogyne incognita at 10. mg/L. Among the tested compounds, A10 and A11 exhibited 100% inhibition rates. In addition, the molecular...
Article
Full-text available
In composite photosynthetic systems, one most primary promise is to pursue the effect coupling among light harvesting, charge transfer, and catalytic kinetics. Herein, this study designs the reduced carbon dots (r-CDs) as both photon harvesters and photoelectron donors in combination with the platinum (Pt) clusters and fabricated the function-integ...
Article
The electronic structure, magnetic properties and stability of transition-metals(TM) doped armchair MoS2 nanoribbons (AMoS2NRs) with full hydrogen passivation have been investigated by using the density functional theory. The hydrogen passivated AMoS2NRs are nonmagnetic semiconductor, but TM doping can make AMoS2NRs display diverse characteristics...
Article
A novel approach for the synthesis of trisubstituted isoxazoles from nitroenamines and aromatic aldehydes is developed. L-Proline/potassium carbonate system was employed to promote this process. The reaction underwent nucleophilic attack of nitroenamines to aromatic aldehydes, intramolecular denitration, tautomerization and elimination of H2O to fu...
Article
A series of 4-thiazolidinone derivatives were synthesized and evaluated as novel human dihydroorotate dehydrogenase (hDHODH) inhibitors. Compounds 26 and 31 displayed IC50 values of 1.75 and 1.12 μM, respectively. The structure-activity relationship was summarized. Further binding mode analysis revealed that compound 31 could form a hydrogen bond w...
Article
A series of novel isoxazole-containing neonicotinoids were synthesized from nitromethylene analogues and aromatic aldehydes in the presence of L-proline/K2CO3. Bioassays indicated that several synthesized compounds showed 40-70% mortality against brown planthopper (Nilaparvata lugens) under the concentration of 4 mg L⁻¹, higher than that of imidacl...
Article
Cycloxaprid (CYC) is a new cis-configuration neonicotinoid insecticide, which is currently under development in China for agricultural pest control. Considering the photodegradation of CYC is important for the application of CYC in the future, the photochemical behavior of CYC in aqueous solution was herein investigated in a “merry-go-round” reacto...
Article
Efficient capture of solar photons is crucial in photo-electrochemical (PEC) water splitting devices for converting solar energy to hydrogen as an energy-dense carrier. Herein, we first reported the unique multi-band light absorption character on carbon dots (CDs) with controllable surface states and built an efficient photoanode by bonding such CD...