Articles with "tandem reaction" as a keyword



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AgSbF6‐Catalyzed Tandem Reaction of 2‐Alkynylanilines with Cyclic Enynones: Efficient access to 3‐Furo[3,2‐c]chromenylindoles and Related Scaffolds

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Published in 2018 at "Asian Journal of Organic Chemistry"

DOI: 10.1002/ajoc.201700511

Abstract: A simple, mild, catalytic and efficient method for the straightforward synthesis of an interesting class of a range of 2-aryl/alkyl-substituted-3-(2-aryl/alkyl-4H-furo[3,2-c]chromen-4-yl)-1H-indoles in good to high yields is reported for the first time. This atom-efficient method proceeds… read more here.

Keywords: reaction alkynylanilines; agsbf6 catalyzed; tandem reaction; catalyzed tandem ... See more keywords
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Photocatalytic tandem reaction of primary alcohols with arylamines in the synthesis of amides and alkylquinolines in the presence of a heterogeneous Fe(CrO2)2–TiO2/X system under aerobic conditions

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Published in 2019 at "Russian Chemical Bulletin"

DOI: 10.1007/s11172-019-2417-3

Abstract: A heterogeneous system Fe(CrO2)2–TiO2/X (where X is promoter NiO, CuO, ZnO, Cr2O3, Fe2O3, PrOCl, TbOCl, LaOCl, or EuOCl) was prepared. The photocatalytic activity of the system was tested in the tandem reaction of primary alcohols… read more here.

Keywords: system; tandem reaction; cro2 tio2; aerobic conditions ... See more keywords
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A near-infrared fluorescent probe for H2S based on tandem reaction to construct iminocoumarin-benzothiazole and its application in food, water, living cells.

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Published in 2020 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2020.06.050

Abstract: With the merits of non-destructive, high penetration ability and minimizing autofluorescence, near-infrared (NIR) fluorescent probes have attracted much attention. In this paper, a NIR emission fluorescent turn-on probe THQ-L for H2S was synthesized by the… read more here.

Keywords: tandem reaction; near infrared; fluorescent; iminocoumarin benzothiazole ... See more keywords
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Tandem reaction of heterocyclic ketene aminals with diazoesters: Synthesis of pyrimidopyrrolidone derivatives

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Published in 2019 at "Tetrahedron Letters"

DOI: 10.1016/j.tetlet.2019.151136

Abstract: Abstract A tandem reaction of heterocyclic ketene aminals (HKAs) with diazoesters in the presence of a Cu catalyst is demonstrated for the efficient synthesis of pyrimidopyrrolidone derivatives. The reaction shows a broad substrate scope and… read more here.

Keywords: reaction heterocyclic; synthesis pyrimidopyrrolidone; ketene aminals; heterocyclic ketene ... See more keywords
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Modularized Enzymatic Tandem Reaction for tsRNA Detection.

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Published in 2022 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.2c04010

Abstract: tRNA-derived small RNA (tsRNA) has emerged as a new biomarker for early diagnosis and prognosis prediction of breast cancer. Like the detection of other small non-coding RNAs, the traditional DNA circuit could be used for… read more here.

Keywords: reaction; detection; enzymatic tandem; modularized enzymatic ... See more keywords
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Catalytic Asymmetric Tandem Reaction of o-Alkynylbenzaldehydes, Amines, and Diazo Compounds.

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Published in 2021 at "Organic letters"

DOI: 10.1021/acs.orglett.1c02433

Abstract: An efficient asymmetric tandem reaction of o-alkynylbenzaldehydes, amines, and diazo compounds catalyzed by chiral silver imidodiphosphate has been established. Chiral 1,2-dihydroisoquinoline analogues have a tertiary stereocenter at the C1 position, and substituents at the C3… read more here.

Keywords: amines diazo; asymmetric tandem; tandem reaction; diazo compounds ... See more keywords
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Tandem Reaction of Azide with Isonitrile and TMSCnFm(H): Access to N-Functionalized C-Fluoroalkyl Amidine.

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Published in 2023 at "Organic letters"

DOI: 10.1021/acs.orglett.3c00125

Abstract: N-Functionalized C-fluoroalkyl amidines are attracting great attention due to their potential in pharmaceuticals. Herein, we report a Pd-catalyzed tandem reaction of azide with isonitrile and fluoroalkylsilane via a carbodiimide intermediate, providing facile access to N-functionalized… read more here.

Keywords: reaction azide; functionalized fluoroalkyl; access functionalized; azide isonitrile ... See more keywords
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Coupling Molecular and Nanoparticle Catalysts on Single Metal–Organic Framework Microcrystals for the Tandem Reaction of H2O2 Generation and Selective Alkene Oxidation

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Published in 2017 at "ACS Catalysis"

DOI: 10.1021/acscatal.6b03632

Abstract: A molecular catalyst, (sal)MoVI, and a heterogeneous catalyst, either Pd or Au nanoparticles (NPs), were integrated into one UiO-66 MOF microcrystal. The resulting dually functionalized catalysts, Pd@UiO-66-(sal)Mo and Au/UiO-66-(sal)Mo, have been utilized for a one-pot… read more here.

Keywords: uio sal; oxidation; tandem reaction; reaction ... See more keywords
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A Tandem Reaction System for Inactivation of Marine Microorganisms by Commercial Carbon Black and Boron-Doped Carbon Nitride

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Published in 2022 at "ACS Omega"

DOI: 10.1021/acsomega.2c00679

Abstract: The Pureballast system, based on photocatalytic technology, can purify ships’ ballast water. However, the efficiency of photocatalytic sterilization still needs to be improved due to the shortcomings of the photocatalyst itself and the complex components… read more here.

Keywords: tandem reaction; carbon; inactivation marine; marine microorganisms ... See more keywords

Synthesis of 7-hydroxy-6H-naphtho[2,3-c]coumarin via a TsOH-mediated tandem reaction.

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Published in 2020 at "Chemical communications"

DOI: 10.1039/d0cc04452k

Abstract: A concise and efficient method for the synthesis of 7-hydroxy-6H-naphtho[2,3-c]coumarin using available 1-(2-hydroxyphenyl)-2-phenylethanone and Meldrum's acid has been developed. This transformation involved a tandem aldol reaction/lactonization/Friedel-Crafts reaction to form a lactone ring and a benzene… read more here.

Keywords: naphtho coumarin; tandem reaction; synthesis hydroxy; reaction ... See more keywords
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Synthesis of 2,3-disubstituted indoles via a tandem reaction

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Published in 2020 at "Organic chemistry frontiers"

DOI: 10.1039/d0qo00765j

Abstract: A strategy for the synthesis of 2,3-disubstituted indoles from 2-allyl-2-(2-nitrophenyl)cyclohexane-1,3-dione has been developed. A wide array of 2,3-disubstituted indoles were accessed in modest to good yields via a tandem reduction/condensation/fragmentation/cyclization sequence. The utility of this… read more here.

Keywords: via tandem; tandem reaction; indoles via; synthesis disubstituted ... See more keywords