Search Results - "Xu, Guo Qiang"
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Dual C(sp3)−H Bond Functionalization of N‐Heterocycles through Sequential Visible‐Light Photocatalyzed Dehydrogenation/[2+2] Cycloaddition Reactions
Published in Angewandte Chemie International Edition (23-04-2018)“…Herein we describe a mild method for the dual C(sp3)−H bond functionalization of saturated nitrogen‐containing heterocycles through a sequential visible‐light…”
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Metal-free, visible-light induced enantioselective three-component dicarbofunctionalization and oxytrifluoromethylation of enamines via chiral phosphoric acid catalysis
Published in Chemical science (Cambridge) (26-01-2022)“…Using diverse carbon-centered radical precursors and electron-rich (hetero)aromatics and alcohols as nucleophiles, a visible-light driven chiral phosphoric…”
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PSO-SVM-Based Online Locomotion Mode Identification for Rehabilitation Robotic Exoskeletons
Published in Sensors (Basel, Switzerland) (02-09-2016)“…Locomotion mode identification is essential for the control of a robotic rehabilitation exoskeletons. This paper proposes an online support vector machine…”
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Photocatalyzed Metal-Free Alkylheteroarylation of Unactivated Olefins via Direct Acidic C(sp3)–H Bond Activation
Published in Organic letters (21-06-2019)“…A visible-light-promoted metal-free alkylheteroarylation of unactivated olefins was developed by using readily available ketones/esters as the alkyl radical…”
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Semiautomated design and soluble expression of a chimeric antigen TbpAB01 from Glaesserella parasuis
Published in Biotechnology and bioengineering (01-07-2024)“…Pathogenic bacterial membrane proteins (MPs) are a class of vaccine and antibiotic development targets with widespread clinical application. However, the…”
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Intramolecular 1,5-H transfer reaction of aryl iodides through visible-light photoredox catalysis: a concise method for the synthesis of natural product scaffolds
Published in Chemical communications (Cambridge, England) (01-01-2016)“…The intramolecular 1,5-H transfer reaction of the aryl radicals generated from unactivated aryl iodides by photocatalysis is described. The features of this…”
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Dehydrogenation/(3+2) Cycloaddition of Saturated Aza-Heterocycles via Merging Organic Photoredox and Lewis Acid Catalysis
Published in Organic letters (19-11-2021)“…Herein, we report a photoinduced dehydrogenation/(3+2) cycloaddition reaction by merging organic photoredox and Lewis acid catalysis, providing a…”
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Highly Enantioselective Construction of Strained Spiro[2,3]hexanes through a Michael Addition/Ring Expansion/Cyclization Cascade
Published in Angewandte Chemie International Edition (17-02-2020)“…We herein report a general organocatalytic enantioselective strategy for the construction of highly strained spiro[2,3]hexane skeletons from…”
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An efficient strategy for the synthesis of polysubstituted chromeno[4,3-b]pyrrolidine derivatives
Published in Chemical communications (Cambridge, England) (01-01-2014)“…A powerful cascade reaction was developed for the synthesis of chromeno[4,3-b]pyrrolidines with high yields and excellent stereoselectivities. This efficient…”
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Transition‐Metal‐Free Selective C−H Benzylation of Tertiary Arylamines by a Dearomatization‐Aromatization Sequence
Published in Chemistry : a European journal (18-09-2018)“…Due to the significance of hybrid systems in drug discovery, there is an urgent need to assemble multiple biologically active ingredients into a single…”
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Solvent directed chemically divergent synthesis of β-lactams and α-amino acid derivatives with chiral isothiourea
Published in Chemical science (Cambridge) (09-02-2022)“…A protocol for the chemically divergent synthesis of β-lactams and α-amino acid derivatives with isothiourea (ITU) catalysis by switching solvents was…”
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Catalytic Enantioselective α-Fluorination of 2-Acyl Imidazoles via Iridium Complexes
Published in Chemistry, an Asian journal (06-12-2016)“…The first highly enantioselective α‐fluorination of 2‐acyl imidazoles utilizing iridium catalysis has been accomplished. This transformation features mild…”
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Effect of ionic liquid on CH4 hydrate formation thermodynamics
Published in Canadian journal of chemical engineering (01-12-2024)“…In this work, experiment results of CH4 hydrate formation pressure in four imidazole ionic liquid solutions have been determined. Hydrogen bond interaction…”
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Anemoside B4 inhibits enterovirus 71 propagation in mice through upregulating 14-3-3 expression and type I interferon responses
Published in Acta pharmacologica Sinica (01-04-2022)“…Enterovirus 71 (EV71) is the major pathogens of human hand, foot, and mouth disease (HFMD). EV71 efficiently escapes innate immunity responses of the host to…”
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Development and Hybrid Control of an Electrically Actuated Lower Limb Exoskeleton for Motion Assistance
Published in IEEE access (2019)“…This paper describes a system design and hybrid control algorithm of an electrically actuated lower limb exoskeleton (LLE). The system design mainly includes…”
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Synthesis and Configurational Character Study of Novel Structural Isomers Based on Pyrene-Imidazole
Published in Molecules (Basel, Switzerland) (20-06-2019)“…Isomers provide more possibilities for the structure of organic compounds. Molecular structures determine their corresponding properties, therefore the…”
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Identification and profiling of microRNAs expressed in oral buccal mucosa squamous cell carcinoma of Chinese hamster
Published in Scientific reports (30-10-2019)“…MicroRNAs are known to play essential role in the gene expression regulation in cancer. In our research, next-generation sequencing technology was applied to…”
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Biliary microbiota and mucin 4 impact the calcification of cholesterol gallstones
Published in Hepatobiliary & pancreatic diseases international (01-02-2021)“…Cholesterol gallstones account for over 80% of gallstones, and the pathogenesis of gallstone formation involves genetic and environmental factors. However,…”
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Hybrid Control Scheme of a Hydraulically Actuated Lower Extremity Exoskeleton for Load-Carrying
Published in Journal of intelligent & robotic systems (01-09-2018)“…In this paper, a lower extremity exoskeleton is developed to help human beings walk and carry heavy loads. The exoskeleton is actuated by a pump-based…”
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20
Simplified calculation of bile cholesterol saturation index
Published in Hepatobiliary & pancreatic diseases international (01-06-2022)Get full text
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