Ferrocene‐tagged ionic liquid stabilized on silica‐coated magnetic nanoparticles: Efficient catalyst for the synthesis of 2‐amino‐3‐cyano‐4H‐pyran derivatives under solvent‐free conditions
Sign Up to like & getrecommendations! Published in 2018 at "Applied Organometallic Chemistry"
DOI: 10.1002/aoc.3955
Abstract: An advanced novel magnetic ionic liquid based on imidazolium tagged with ferrocene, a supported ionic liquid, is introduced as a recyclable heterogeneous catalyst. Catalytic activity of the novel nanocatalyst was investigated in one-pot three-component reactions… read more here.
Keywords: ionic liquid; liquid; tagged ionic; ferrocene tagged ... See more keywords
Four-Component Synthesis of 2-Amino-3-Cyanopyridine Derivatives Catalyzed by Cu@imineZCMNPs as a Novel, Efficient and Simple Nanocatalyst Under Solvent-Free Conditions
Sign Up to like & getrecommendations! Published in 2018 at "Catalysis Letters"
DOI: 10.1007/s10562-018-2318-3
Abstract: An efficient and convenient method was investigated for synthesis of 2-amino-3-cyanopyridine derivatives via a one-pot four-component reaction of various types of aldehydes, acetophenone, malononitrile, and ammonium acetate in the presence of 10 mg Cu@imineZCMNPs catalyst. The… read more here.
Keywords: four component; microscopy; synthesis amino; amino cyanopyridine ... See more keywords
Derivatives of Azidocinnamic Acid in the Synthesis of 2-Amino-4-Arylidene-1H-Imidazol-5(4H)-Ones
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DOI: 10.1007/s10593-018-2318-7
Abstract: A method for the synthesis of 2-amino-4-arylidene-1H-imidazol-5(4H)-ones is proposed based on the reaction of various aromatic isocyanates with phosphazenes derived from azidocinnamic acid amides. The spectral-luminescent properties of the obtained compounds were studied. The products… read more here.
Keywords: arylidene imidazol; imidazol ones; amino arylidene; azidocinnamic acid ... See more keywords
Novel Approach to the Synthesis of 3-amino-4-arylpyridin-2(1H)-one Derivatives
Sign Up to like & getrecommendations! Published in 2021 at "Chemistry of Heterocyclic Compounds"
DOI: 10.1007/s10593-021-02980-w
Abstract: The reaction of 4-arylidene-2-phenyloxazol-5(4H)-ones with enamines of ethyl acetoacetate gave 4-aryl-2-methyl-6-oxo-5-[(phenylcarbonyl)amino]-1,4,5,6-tetrahydropyridine-3-carboxylic acid esters, which, when heated with phosphorus oxychloride, were converted into esters of 7-aryl-5-methyl-2-phenyloxazolo[5,4-b]pyridine-6-carboxylic acids. Alkaline hydrolysis of these compounds gave 4-aryl-2-methyl-6-oxo-5-[(phenylcarbonyl)amino]-1,6-dihydropyridine-3-carboxylic acid esters. read more here.
Keywords: aryl methyl; amino; novel approach; synthesis amino ... See more keywords
Application of nitrogen-rich porous organic polymer for the solid-phase synthesis of 2-amino-4H-benzo[b]pyran scaffolds using ball milling process
Sign Up to like & getrecommendations! Published in 2020 at "Molecular Diversity"
DOI: 10.1007/s11030-020-10092-4
Abstract: Abstract This paper presents the efficient synthesis of 2-amino-4 H -benzo[ b ]pyrans using mesoporous poly-melamine-formaldehyde as a polymeric heterogeneous catalyst. According to the principals of green chemistry, the reaction was performed by the planetary… read more here.
Keywords: ball milling; amino benzo; synthesis amino; milling process ... See more keywords
Ultrasound-assisted synthesis of β-amino ketones via a Mannich reaction catalyzed by Fe3O4 magnetite nanoparticles as an efficient, recyclable and heterogeneous catalyst
Sign Up to like & getrecommendations! Published in 2017 at "Arabian Journal of Chemistry"
DOI: 10.1016/j.arabjc.2012.11.018
Abstract: Abstract In this study, magnetite nanoparticles (Fe 3 O 4 MNPs) were introduced as a heterogeneous novel catalyst for ultrasound-assisted stereoselective synthesis of β -amino carbonyl during Mannich reaction. For this propose, MNPs with particle… read more here.
Keywords: mannich reaction; catalyst; reaction; synthesis amino ... See more keywords
Facile synthesis of amino-functionalized mesoporous TiO2 microparticles for adenosine deaminase immobilization
Sign Up to like & getrecommendations! Published in 2017 at "Microporous and Mesoporous Materials"
DOI: 10.1016/j.micromeso.2016.09.006
Abstract: Abstract Fabrication of biocompatible micro- and nanoparticles is attractive because of their potential for application as enzyme immobilization tools. Mesoporous TiO 2 microparticles with high crystallinity, high hydroxyl density, and large pore size (20 nm) were… read more here.
Keywords: amino functionalized; immobilization; facile synthesis; synthesis amino ... See more keywords
The synthesis of 3-amino-5-arylisothiazoles from propynenitriles
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DOI: 10.1016/j.tetlet.2018.01.042
Abstract: Abstract A new synthesis of 3-amino-5-arylisothiazoles is reported. The reaction is operationally simple, utilises readily synthesised propynenitriles as starting materials and is tolerant of a range of functional groups. The optimised reaction conditions can also… read more here.
Keywords: amino arylisothiazoles; arylisothiazoles propynenitriles; synthesis amino;
Synthesis of 3-Amino-5-fluoroalkylfurans by Intramolecular Cyclization.
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DOI: 10.1021/acs.orglett.1c01672
Abstract: A synthesis to access rarely described 3-amino-5-fluoroalkylfurans has been developed by cyclization of easily accessible fluorovinamides. This method is rapid and simple and affords the desired furans as hydrochloride salts in quantitative or nearly quantitative… read more here.
Keywords: amino fluoroalkylfurans; intramolecular cyclization; cyclization; synthesis amino ... See more keywords
Synthesis of α-Amino Cyclobutanones via Formal 1,3-Hydroxy Migration Triggered by Formation of α-Imino Rhodium Carbene.
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DOI: 10.1021/acs.orglett.2c01029
Abstract: Formal intramolecular 1,3-OH migration of α-imino carbene was achieved producing a unique zwitterion, and the subsequent selective annulation afforded α-amino cyclobutanone. Features such as readily available substrates, mild reaction conditions, a time-saving procedure, excellent functional… read more here.
Keywords: migration; cyclobutanones via; imino; amino cyclobutanones ... See more keywords
Synthesis of Amino Acid α-Thioethers and Late-Stage Incorporation into Peptides.
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DOI: 10.1021/acs.orglett.2c01297
Abstract: The accelerating discovery of structurally distinct peptide natural products bearing α-thioether cross-links, such as the family of sactipeptide natural products, highlights the need for strategies to synthesize this underexplored functional motif. Herein, we describe the… read more here.
Keywords: acid thioethers; late stage; amino acid; synthesis amino ... See more keywords