SCI时时刷

search
Chemoselective Transition-Metal-Free Acylation of Thioamides by N–C(S) Bond Cleavage using Acyclic Twisted Thioamides
A new method for chemoselective transition-metal-free acylation of thioamides with ketones by N–C(S) bond cleavage is repo...
t BuOK-Mediated Selective 1,2-Silacarboxylation of Arylalkenes with Si-B/Si-Si/Si-Li Reagents and CO2
An operationally simple base-mediated silylacarboxylation of arylalkenes is developed to synthesize valuable β-silyl funct...
Visible-light induced three component radical cascade 1,2-dialkylation of alkenes to access alcohols
Visible-light mediated 1,2- dicarbofunctionalization of alkenes provided a powerful tool for the synthesis of structurally...
Visible light-mediated pyridylsilylation of olefins through hydrogen atom transfer
A visible light-mediated synthesis protocol for the three-component pyridylsilylation of olefins to access β-pyridyl silic...
Transition-metal-free synthesis of C3,5-difunctionalized oxindole derivatives
Herein, a new one-pot transition-metal-free catalytic method for the synthesis of C3, 5-disubstituted oxindoles has been d...
Asymmetric α-selective allylation of amide unit of maleimides and alkenyloxindoles by dual-functional InIII/N,N'-dioxide complex
Chiral γ-hydroxy-γ-lactams were versatile building blocks for the synthesis of many important bioactive compounds. Herein,...
The reaction of glyoxylic acid with lysine chemically protected on the α- amine group studied using mass spectrometry
Glyoxylic acid (GA) is a human metabolite potentially involved in glycation processes and is considered a precursor of Nε-...
Rapid Biosensors of Antibiotics Based on Multiple Molecular Recognition Elements
The extensive use of antibiotics poses significant public health concerns, including the rise of drug-resistant bacteria a...
Chiral Phosphoric Acid Catalyzed Intermolecular [4+2] Cycloaddition for Chiral Azomethine Imines: Mechanism and Stereochemical Model
Azomethine imines are an outstanding class of 1,3-dipolar species that are important synthetic building blocks for di-nitr...
Asymmetric [4+3] Cycloaddition of Hydroxyphenyl Indolinones to Synthesize Novel Spirooxindoles
The first asymmetric [4+3] cycloaddition of hydroxyphenyl indolinones has been reported to afford a new series of multisub...
Dual-Ligand Eu-MOF for Ratiometric Fluorescence Sensing and Visual Detection of Fluoride Ions
Excess of fluoride ions (F⁻) can contribute to environmental pollution and pose risks to human health, so establishing an ...
Rapid and Ultrasensitive Fluorescent Screening of Extracellular Vesicles Using Dual-Aptamers Recognition-triggered RCA
Extracellular vesicles (EVs), as a crucial marker of liquid biopsy, are important for early diagnosis and prognostic asses...
Synthesis of lanthanum phosphate-carbon nanoparticles using hydrothermal method and its application for lead ion removal
Given the wide range of uses for lanthanum phosphate nanoparticles, a simple and effective production technique is despera...
Defect modulation of MIL-53(Fe) by Ce doping for PMS activation on the degradation of tetracycline: Singlet oxygen and electron transfer
Removal of organic pollutants through the activation of peroxymonosulfate (PMS) using metal-organic frameworks (MOFs) has ...
Cetyltrimethylammonium bromide Modified Magnetic Apricot Shells for Removing Congo Red Dye and its Artificial Neural Network Model
This study focused on the synthesis of a cetyltrimethylammonium bromide-modified magnetic (Fe3O4@Ap/CTAB) nanocomposite fr...
A Large Stokes’ Shift Styryl Pyridinium Derivative with a Stable Green-emission for Mitochondria Imaging in Live Cells
Green-emitting styryl pyridinium probe (EPN) was developed for live-cell imaging applications. EPN exhibited a large Stoke...
Dual-Mode Molecular Photoswitches with Multi-Stimulus Response by Introducing Multifunctionality and Eliminating the Heavy Atom Effect
The development of new multifunctional smart materials can be significantly advanced by the creation of multi-stimulus-res...
Unlocking MOF A520 Synthesis: Investigating Critical Parameters
Aluminum based Metal-Organic Frameworks (MOFs) have emerged as versatile materials with applications in gas and vapor stor...
A Short Stereodivergent Synthesis of (R) and (S)-Nicotine
A straightforward and efficient enantioselective synthesis of (S)-nicotine and unnatural (R)-nicotine with high yields is ...
Selective gallium adsorption and recovery from Bayer mother liquor using chitosan-based gallium -imprinted resin
Gallium is an important scattered metal. Currently, Gallium recovery from Bayer mother liquor by adsorption has the proble...
Disposable Electrochemical Biosensor Based on Acetylcholinesterase for Inhibition Assays Using a Natural Substance and Plants Extracts
In general, insects are considered pests in agricultural areas and their control is essential for the high productivity of...
Comparative analysis of Hyperspectral and Near-infrared Spectroscopy for Bloodstain Deposition Time Estimation
Background: Bloodstains are a prevalent and critical type of forensic evidence at crime scenes. Accurate determination of ...
3D-Printed Electrodes for Electrochemical Detection of Environmental Analytes
Environmental monitoring faces increasing demands for rapid, sensitive, and cost-effective analytical methods to detect va...
A novel fluorescent probe for the detection of oxalyl chloride in air
Oxalyl chloride is widely used in the industry. Due to its high toxicity, it can pose a serious threat to human health and...