Articles with "component synthesis" as a keyword



Three‐Component Synthesis of Fluorescent 1,4‐Benzothiazin‐2‐ones through Thiol‐Free Iodine‐Catalyzed Cyclization

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Published in 2024 at "European Journal of Organic Chemistry"

DOI: 10.1002/ejoc.202400715

Abstract: A convergent synthesis of 2H‐benzo[b][1,4]thiazin‐2‐one was achieved via iodine‐catalyzed three‐component reaction. This strategy involves the formation of two new C–S bonds and a C–N bond from the readily available precursors ‐ aryl methyl ketones, p‐anisidine, and… read more here.

Keywords: three component; iodine catalyzed; synthesis fluorescent; component synthesis ... See more keywords

One-Pot Three-Component Synthesis of Polysubstituted Tetrahydroindoles

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Published in 2019 at "Chemistry of Heterocyclic Compounds"

DOI: 10.1007/s10593-019-02600-8

Abstract: A series of novel fused pyrrole derivatives was synthesized by one-pot three-component reaction of β-enaminoketones, derived from cyclohexane-1,3-dione or dimedone, arylglyoxal hydrates, and 1,3-dimethylbarbituric acid in EtOH. read more here.

Keywords: pot three; three component; component synthesis; one pot ... See more keywords

Polystyrene@graphene oxide-Fe3O4 as a novel and magnetically recyclable nanocatalyst for the efficient multi-component synthesis of spiro indene derivatives

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Published in 2019 at "Research on Chemical Intermediates"

DOI: 10.1007/s11164-019-04021-w

Abstract: Polystyrene (PS)-coated magnetic graphene oxide (GO-Fe3O4) nanocomposite has been prepared and characterized by FT-IR, TEM and VSM techniques, and its catalytic activity has been evaluated in the multi-component synthesis of two series of indene derivatives.… read more here.

Keywords: graphene oxide; multi component; oxide fe3o4; component synthesis ... See more keywords

Three-component synthesis of copper(ii) coordination compounds with 2-hetarylbenzothiazoles

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Published in 2019 at "Russian Chemical Bulletin"

DOI: 10.1007/s11172-019-2499-y

Abstract: A method for synthesizing CuII coordination compounds with 2-hetaryl-substituted benzothiazoles was developed. The reactions of 2-amino-5-methoxythiophenol, 2-pyridyl- or 2(4)-imidazolylcarbaldehydes, and copper(ii) perchlorate in refluxing ethanol yield L2Cu(ClO4)2 or L3Cu(ClO4)2 complexes. According to the cyclic voltammetry… read more here.

Keywords: coordination compounds; coordination; copper coordination; component synthesis ... See more keywords

Highly efficient three-component synthesis of 5-substituted-1H-tetrazoles from aldehydes, hydroxylamine, and tetrabutylammonium azide using doped nano-sized copper(I) oxide (Cu2O) on melamine–formaldehyde resin

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Published in 2017 at "Journal of Saudi Chemical Society"

DOI: 10.1016/j.jscs.2016.08.003

Abstract: Abstract A simple and facile one-pot three-component synthesis of 5-substituted 1H-tetrazole derivatives from aldehydes catalyzed by doped nano-sized Cu2O on melamine–formaldehyde resin (nano-Cu2O–MFR) is described. In this protocol, treatment of structurally diverse aldehydes, hydroxylamine hydrochloride… read more here.

Keywords: doped nano; cu2o; synthesis substituted; component synthesis ... See more keywords
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Regioselective Three-Component Synthesis of Vicinal Diamines via 1,2-Diamination of Styrenes.

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Published in 2021 at "Organic letters"

DOI: 10.1021/acs.orglett.1c00898

Abstract: The vicinal diamine motif plays a significant role in natural products, drug design, and organic synthesis, and development of synthetic methods for the synthesis of diamines is a long-standing interest. Herein, we report a regioselective… read more here.

Keywords: regioselective three; diamination; component synthesis; three component ... See more keywords
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Three-Component Synthesis of a Library of m-Terphenyl Derivatives with Embedded β-Aminoester Moieties.

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Published in 2018 at "ACS combinatorial science"

DOI: 10.1021/acscombsci.8b00137

Abstract: The three-component reaction between alkyl- or arylamines, β-ketoesters and chalcones in refluxing ethanol containing a catalytic amount of Ce(IV) ammonium nitrate allowed the construction of a large library of highly substituted dihydro- m-terphenyl derivatives containing… read more here.

Keywords: synthesis library; terphenyl derivatives; library terphenyl; component synthesis ... See more keywords

Magnetic BiFeO3 nanoparticles: a robust and efficient nanocatalyst for the green one-pot three-component synthesis of highly substituted 3,4-dihydropyrimidine-2(1H)-one/thione derivatives

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Published in 2024 at "Scientific Reports"

DOI: 10.1038/s41598-024-72407-x

Abstract: In this research, magnetic bismuth ferrite nanoparticles (BFO MNPs) were prepared through a convenient method and characterized. The structure and morphological characteristics of the prepared nanomaterial were confirmed through analyses using Fourier-transform infrared (FTIR) spectroscopy,… read more here.

Keywords: spectroscopy; component synthesis; three component; synthesis ... See more keywords

Oxidant-free, three-component synthesis of 7-amino-6H-benzo[c]chromen-6-ones under green conditions

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Published in 2019 at "RSC Advances"

DOI: 10.1039/c9ra07108c

Abstract: Three-component synthesis of 7-amino-6H-benzo[c]chromen-6-ones was achieved under oxidant-free green conditions. read more here.

Keywords: amino benzo; benzo chromen; component synthesis; synthesis amino ... See more keywords

Three-component synthesis of pyran-fused biscoumarins: an entry to pyridinone- and pyranone-fused coumarins

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Published in 2024 at "RSC Advances"

DOI: 10.1039/d4ra01681e

Abstract: A base-mediated, three-component synthesis of symmetric and unsymmetric pyran-fused biscoumarins via the coupling of 4-hydroxycoumarin with 4-chloro-3-formylcoumarin in ethanol is reported. This methodology is further extended to the construction of various indole/coumarin-substituted symmetric pyran-fused biscoumarins.… read more here.

Keywords: component synthesis; pyran fused; three component; fused coumarins ... See more keywords

Choline hydroxide promoted sustainable one-pot three-component synthesis of 1H-pyrazolo[1,2-a]pyridazine-2-carbonitriles under solvent-free conditions

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Published in 2020 at "Synthetic Communications"

DOI: 10.1080/00397911.2020.1720736

Abstract: Abstract A sustainable one-pot three-component synthesis of novel 1H-pyrazolo[1,2-a]pyridazine-2-carbonitrile derivatives employing a highly efficient, biodegradable, and recyclable choline hydroxide catalyst under solvent-free conditions is demonstrated. The salient features of this protocol are simple workup, mild… read more here.

Keywords: sustainable one; choline hydroxide; component synthesis; three component ... See more keywords