Results 151 to 160 of about 329,949 (339)

Aerobic Oxidative Dethioacetalization Catalyzed by an Iron Phthalocyanine Complex

open access: yesAdvanced Synthesis &Catalysis, EarlyView.
A protocol for iron octacarboxyphthalocyanine‐catalyzed aerobic oxidative dethioacetalization in an aqueous solvent is developed. This method can efficiently convert a broad range of dithioacetals into the corresponding carbonyl compounds. Inspired by enzyme‐mediated redox processes, the environmentally friendly catalytic system exhibits remarkable ...
Hirofumi Ueda   +4 more
wiley   +1 more source

Synthesis of Functionalized Homoallylic Alcohols via a Salt‐Free Three‐Component Nickel‐Catalyzed Coupling Reaction

open access: yesAdvanced Synthesis &Catalysis, EarlyView.
A nickel catalyzed three‐component coupling reaction between an aldehyde, a secondary amine, and butadiene allows a straightforward access to 5‐aminopent‐3‐en‐1‐ol scaffolds according to a salt‐free process. Key steps are oxidative coupling reaction between one aldehyde, one butadiene on a low valent nickel precursor, and the nucleophilic attack of a ...
Anthony Saint Pol   +8 more
wiley   +1 more source

Domino Synthesis of Functionalized Cyclic Acetals From Organic Carbonates

open access: yesAdvanced Synthesis &Catalysis, EarlyView.
Cyclic carbonates equipped with acrylic functional groups are shown to undergo a domino process in the presence of a suitable alkoxide to deliver novel types of decorated cyclic acetals. The developed protocol combines practical conditions and a wide scope and features a new reactivity modus for these carbon dioxide‐derived heterocyclic precursors.
Natalia Kulbacka   +5 more
wiley   +1 more source

Electronic Nose for Indoor Mold Detection and Identification

open access: yesAdvanced Sensor Research, EarlyView.
This study explores the potential of a SnO2 nanowire‐based chemiresistive electronic nose not only to detect but also to identify two common indoor mold species, Stachybotrys chartarum and Chaetomium globosum on two different growth substrates. In a laboratory setup, the electronic nose displays high classification performance using optimized linear ...
Hankun Yang   +3 more
wiley   +1 more source

Research Progress in Wearable Microneedle Sensors for Health Analysis

open access: yesAdvanced Sensor Research, EarlyView.
Wearable biosensors are transforming personal healthcare by enabling minimally invasive, molecular‐level monitoring. Emerging electrochemical microneedle sensors can detect analytes in interstitial fluid, enabling painless extraction and real‐time tracking.
Adnan Zameer   +3 more
wiley   +1 more source

The Discovery of Ketone-Based Covalent Inhibitors of Coronavirus 3CL Proteases for the Potential Therapeutic Treatment of COVID-19 [PDF]

open access: gold, 2020
Robert L. Hoffman   +23 more
openalex   +1 more source

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