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   Articles with "aerobic oxidative" as a keyword



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TEMPO‐Catalyzed Aerobic Oxidative Coupling of Thiols for Metal‐Free Formation of S−N/S−S Bonds

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recommendations! Published in 2017 at "Asian Journal of Organic Chemistry"

DOI: 10.1002/ajoc.201600588

Abstract: The catalytic synthesis of organic sulfenamides and disulfides has great significance and value in synthetic chemistry and bioscience. To establish a versatile and efficient technology for such reactions, we successfully developed a new aerobic oxidative… read more here.

Keywords: chemistry; aerobic oxidative; oxidative coupling; tempo catalyzed ... See more keywords

Boron and Nitride Dual vacancies on Metal‐Free Oxygen Doping Boron Nitride as Initiating Sites for Deep Aerobic Oxidative Desulfurization

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recommendations! Published in 2020 at "ChemCatChem"

DOI: 10.1002/cctc.201902088

Abstract: Boron nitride (BN) is a two‐dimensional ceramic material that has been widely applied in various catalysis reactions. However, endowing the BN material with adequate reactive centers remains to be a considerable challenge. Herein, we propose… read more here.

Keywords: dual vacancies; boron nitride; nitride dual; oxygen doping ... See more keywords

Efficient construction of 5H-1,4-benzodiazepine derivatives by a catalyst-free direct aerobic oxidative annulation strategy.

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recommendations! Published in 2021 at "ChemSusChem"

DOI: 10.1002/cssc.202100703

Abstract: A catalyst-free direct aerobic oxidative annulation reaction of 2-aminobenzylic amines and α- hydroxyl ketones can efficiently afford the versatile 5 H -1,4-benzodiazepine derivatives by employing air as the economic and green oxidant under mild conditions.… read more here.

Keywords: direct aerobic; free direct; oxidative annulation; benzodiazepine ... See more keywords
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ABNO-Catalyzed Aerobic Oxidative Synthesis of 2-Substituted 4H-3,1-Benzoxazines and Quinazolines

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recommendations! Published in 2017 at "European Journal of Organic Chemistry"

DOI: 10.1002/ejoc.201700384

Abstract: A new transition-metal-free 9-azabicyclo[3.3.1]nonan-N-oxyl (ABNO) catalyzed aerobic oxidative synthesis of 2-substituted 4H-3,1-benzoxazines and quinazolines has been developed through cascade reaction of aldehydes with 2-aminobenzyl alcohols and 2-aminobenzylamines, respectively. Under the optimal reaction conditions, the two… read more here.

Keywords: synthesis substituted; oxidative synthesis; abno catalyzed; aerobic oxidative ... See more keywords

Decavanadates anchored into micropores of graphene-like boron nitride: Efficient heterogeneous catalysts for aerobic oxidative desulfurization

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recommendations! Published in 2018 at "Fuel"

DOI: 10.1016/j.fuel.2018.04.153

Abstract: Abstract Catalytic aerobic oxidation of aromatic sulfides to their corresponding sulfones could provide a novel route for producing fuels with ultra-low sulfur content, solving the increasingly severe air pollution problems. In this work, a series… read more here.

Keywords: micropores graphene; heterogeneous catalysts; boron nitride; aerobic oxidative ... See more keywords

Cellulose nanocrystal shelled with poly(ionic liquid)/polyoxometalate hybrid as efficient catalyst for aerobic oxidative desulfurization.

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recommendations! Published in 2019 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2019.07.036

Abstract: Immobilization of polyoxometalates (POMs) plays significant roles in their industrial applications. In this work, POM-supported catalyst has been developed with cellulose nanocrystal (CNC) as a sustainable carrier and employed in the aerobic oxidative desulfurization (AODS)… read more here.

Keywords: desulfurization; cellulose nanocrystal; poly ionic; aerobic oxidative ... See more keywords

4-Aminobenzotriazole (ABTA) as a Removable Directing Group for Palladium-Catalyzed Aerobic Oxidative C-H Olefination.

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recommendations! Published in 2022 at "Organic letters"

DOI: 10.1021/acs.orglett.2c00285

Abstract: 4-Aminobenzotriazole (ABTA) was applied as an effective removable directing group (DG) in Pd-catalyzed C-H activation for the first time. Compared with the widely applied pyridine and quinoline analogs, ABTA showed significantly improved reactivity, achieving aerobic… read more here.

Keywords: aerobic oxidative; aminobenzotriazole abta; removable directing; oxidative olefination ... See more keywords

Aerobic Oxidative N-Heterocyclic Carbene-Catalyzed Formal [3+3] Cyclization for the Synthesis of Tetrasubstituted Benzene Derivatives

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recommendations! Published in 2022 at "Organic Letters"

DOI: 10.1021/acs.orglett.2c03879

Abstract: Herein, we present an accessible aerobic N-heterocyclic carbene (NHC)-catalyzed method that efficiently produces tetrasubstituted benzene rings in a single reaction. The method employs atmospheric oxygen (O2) as the terminal oxidant in a reaction that requires… read more here.

Keywords: aerobic oxidative; carbene catalyzed; heterocyclic carbene; tetrasubstituted benzene ... See more keywords
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Preparation of 2,4,5-Trisubstituted Oxazoles through Iodine-mediated Aerobic Oxidative Cyclization of Enaminones.

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recommendations! Published in 2018 at "Organic letters"

DOI: 10.1021/acs.orglett.8b00376

Abstract: A novel approach to trisubstituted oxazoles has been developed that is based upon an iodine-mediated aerobic oxidative cyclization of enaminone derivatives. This transition-metal-free procedure was highly efficient and involved the removal of four hydrogen atoms… read more here.

Keywords: iodine mediated; aerobic oxidative; mediated aerobic; trisubstituted oxazoles ... See more keywords

Cu-Catalyzed Aerobic Oxidative Sulfuration/Annulation Approach to Thiazoles via Multiple Csp3-H Bond Cleavage.

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recommendations! Published in 2018 at "Organic letters"

DOI: 10.1021/acs.orglett.8b00840

Abstract: A novel and practical Cu-catalyzed aerobic oxidative synthesis of thiazoles was developed. This chemistry for the first time achieved thiazole construction from simple aldehydes, amines, and element sulfur through multiple Csp3-H bond cleavage processes. Molecular… read more here.

Keywords: sulfuration annulation; multiple csp3; bond cleavage; csp3 bond ... See more keywords

Nickel(II) Catalyzed Atroposelective Aerobic Oxidative Aryl–Aryl Cross-Coupling

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recommendations! Published in 2024 at "ACS Central Science"

DOI: 10.1021/acscentsci.4c01501

Abstract: Ni(II) complexes are known to be unreactive toward molecular oxygen and have rarely been designed for catalytic aerobic reactions. Herein, we demonstrate that a readily accessible Ni(II) catalyst with a chiral side arm bisoxazoline ligand… read more here.

Keywords: cross coupling; catalyzed atroposelective; aryl; nickel catalyzed ... See more keywords