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   Articles with "chromen one" as a keyword



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A New Isochromeno[4,3-b]Chromen-7(5H)-One Derivative and Bioactive Constituents of Filipendula kiraishiensis

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recommendations! Published in 2019 at "Chemistry of Natural Compounds"

DOI: 10.1007/s10600-019-02823-3

Abstract: A new isochromeno[4,3-b]chromen-7(5H)-one derivative, 8-hydroxy-3,10-dimethoxyisochromeno [4,3-b]chromen-7(5H)-one (1), has been isolated from the aerial part of Filipendula kiraishiensis, together with seven known compounds. The structure of the new compound 1 was determined through spectroscopic and MS… read more here.

Keywords: isochromeno chromen; new isochromeno; chromen one; one derivative ... See more keywords
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Anthelmintic effect of 2H-chromen-2-one isolated from Gliricidia sepium against Cooperia punctata.

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recommendations! Published in 2017 at "Experimental parasitology"

DOI: 10.1016/j.exppara.2017.04.013

Abstract: Gliricidia sepium is a tropical legume with known anthelmintic-like properties. The aim of this study was to: (1) perform a bio-guided fractionation of an acetonic extract of G. sepium leaves using the egg hatch assay… read more here.

Keywords: chromen one; gliricidia sepium; sepium; cooperia punctata ... See more keywords
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Metal ion sensing ability and photo-physical properties of 4-hydroxy-3-nitroso-2H-chromen-2-one: Interaction studies with calf thymus-DNA

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recommendations! Published in 2019 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2018.10.102

Abstract: Abstract 4-Hydroxy-3-nitroso-2H-chromen-2-one (HNC), a coumarin derivative has been synthesized through a very simple method, and its photo-physical properties were studied. HNC is used as a simple colorimetric as well as spectrophotometric chemosensor for the detection… read more here.

Keywords: nitroso chromen; dna; ability; hydroxy nitroso ... See more keywords
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Anti-acidogenic and anti-biofilm activity of 5,6,8-trihydroxy-7-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one.

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recommendations! Published in 2018 at "Microbial pathogenesis"

DOI: 10.1016/j.micpath.2018.07.003

Abstract: OBJECTIVES Crude extracts of Dodonaea viscosa var. angustifolia (DVA), has shown to have anticariogenic property. However the compound responsible for this activity has not been identified. The aim of this study was to investigate anti-acidogenic… read more here.

Keywords: anti; methoxy methoxyphenyl; chromen one; methoxyphenyl chromen ... See more keywords
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Physicochemical studies of synthesized biscoumarin [3,3-(phenylmethylene)bis(4-hydroxy-2H-chromen-2-one)] in DMSO and various percentage compositions of ethanol in DMSO from 288.15 to 313.15 K

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recommendations! Published in 2021 at "Journal of Molecular Liquids"

DOI: 10.1016/j.molliq.2021.115891

Abstract: Abstract Density, speed of sound and viscosity for varying concentrations of 3,3-(phenylmethylene)bis(4-hydroxy-2H-chromen-2-one) in DMSO and solvent media containing (5, 10, 15, 20, 25)% w/w of ethanol in DMSO have been measured. These properties have been… read more here.

Keywords: bis hydroxy; dmso; chromen one; one dmso ... See more keywords
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Verbenanone, an octahydro-5H-chromen-5-one from a Hawaiian-Plant Associated Fungus FT431.

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recommendations! Published in 2017 at "Tetrahedron letters"

DOI: 10.1016/j.tetlet.2017.04.096

Abstract: A new secondary metabolite verbenanone (1) with a unique (4aS,8aS)-octahydro-5H-chromen-5-one moiety has been obtained from the endophytic fungus FT431, which was isolated from the native Hawaiian plant Verbena sp. The structure of compound 1 was… read more here.

Keywords: fungus ft431; chromen one; hawaiian plant; octahydro chromen ... See more keywords
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A new multicomponent approach to the synthesis of substituted furan-2(5H)-ones containing 4H-chromen-4-one fragment

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recommendations! Published in 2020 at "Tetrahedron Letters"

DOI: 10.1016/j.tetlet.2020.152602

Abstract: Abstract An efficient telescope method for the preparation of furan-2(5H)-one derivatives containing 4H-chromen-4-one fragment was developed. The suggested approach based on tandem multicomponent reaction of 3-(dimethylamino)-1-(2-hydroxyphenyl)prop-2-en-1-one, arylglyoxals and Meldrum’s acid. A distinctive feature of the… read more here.

Keywords: containing chromen; one fragment; furan one; chromen one ... See more keywords
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Investigation of the Fluorescence Turn-off Mechanism, Genome, Molecular Docking In Silico and In Vitro Studies of 2-Acetyl-3H-benzo[f]chromen-3-one

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recommendations! Published in 2022 at "ACS Omega"

DOI: 10.1021/acsomega.2c02424

Abstract: The present study harnesses fluorescence quenching between a nonfluorescent aniline and fluorophore 2-acetyl-3H-benzo[f]chromen-3-one [2AHBC] in binary solvent mixtures of acetonitrile and 1,4-dioxane at room temperature and explores the fluorophore as an antimicrobial material. Our findings… read more here.

Keywords: fluorescence turn; chromen one; benzo chromen; investigation fluorescence ... See more keywords
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para metallation of 3-acetyl-chromen-2-one Schiff bases in tetranuclear palladacycles: focus on their biomolecular interaction and in vitro cytotoxicity.

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recommendations! Published in 2019 at "Dalton transactions"

DOI: 10.1039/c9dt02663k

Abstract: Three tetranuclear (1-3) complexes and a mononuclear (4) palladium(ii) complex were synthesized from 3-acetyl-chromen-2-one Schiff base ligands [H2-3MAC-Rtsc] (where R = H [H2-3MAC-tsc]; CH3 [H2-3MAC-mtsc]; C2H5 [H2-3MAC-etsc] or C6H5 [H2-3MAC-ptsc]) and potassium tetrachloropalladate. Their formation… read more here.

Keywords: para metallation; acetyl chromen; one schiff; chromen one ... See more keywords
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Synthesis and electroluminescent properties of new coumarin derivatives

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recommendations! Published in 2017 at "Molecular Crystals and Liquid Crystals"

DOI: 10.1080/09273948.2017.1338882

Abstract: ABSTRACT 4-methyl-7-(10-(pyren-1-yl)anthracen-9-yl)-2H-chromen-2-one (PAC), 7,7'-(anthracene-9,10-diyl)bis(4- methyl-2H-chromen-2-one) (CAC), 7-Ant-hracen-9-yl-4-methyl-chromen-2-one (AC), and 7-(naphthalen-1-yl)-2H-chromen-2-one (NC) were synthesized through Suzuki aryl-aryl coupling reaction. Optical and electroluminescence (EL) properties were evaluated by UV-visible absorption, photoluminescence (PL) spectra, and EL devices. Synthesized… read more here.

Keywords: synthesis electroluminescent; new coumarin; electroluminescent properties; chromen one ... See more keywords
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New Synthetic 3-Benzoyl-5-Hydroxy-2H-Chromen-2-One (LM-031) Inhibits Polyglutamine Aggregation and Promotes Neurite Outgrowth through Enhancement of CREB, NRF2, and Reduction of AMPKα in SCA17 Cell Models

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recommendations! Published in 2020 at "Oxidative Medicine and Cellular Longevity"

DOI: 10.1155/2020/3129497

Abstract: Spinocerebellar ataxia type 17 (SCA17) is caused by a CAG/CAA expansion mutation encoding an expanded polyglutamine (polyQ) tract in TATA-box binding protein (TBP), a general transcription initiation factor. Suppression of cAMP-responsive element binding protein- (CREB-)… read more here.

Keywords: one 031; hydroxy chromen; ampk; chromen one ... See more keywords