Regioselective Synthesis of 3‐Benzoyl‐4‐Phenyl‐4 H ,5 H ‐Thiopyrano[2,3‐ b ]chromen‐5‐One Derivatives through One‐Pot Domino Reaction Using Aromatic Aldehyde, β‐Enaminone, and 4‐Hydroxy‐2 H ‐Chromene‐2‐Thione
Sign Up to like & getrecommendations! Published in 2025 at "European Journal of Organic Chemistry"
DOI: 10.1002/ejoc.202500788
Abstract: A green, efficient, and regioselective one‐pot three‐component synthesis of 3‐benzoyl‐4‐phenyl‐4 H ,5 H ‐thiopyrano [2,3‐ b ]chromen‐5‐one derivatives has been developed. This protocol utilizes 4‐hydroxy‐2 H ‐chromene‐2‐thione, aromatic aldehydes, and β ‐enaminones, mediated by triphenylphosphine… read more here.
Keywords: phenyl thiopyrano; one pot; synthesis benzoyl; benzoyl phenyl ... See more keywords
A New Isochromeno[4,3-b]Chromen-7(5H)-One Derivative and Bioactive Constituents of Filipendula kiraishiensis
Sign Up to like & getrecommendations! 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
Anthelmintic effect of 2H-chromen-2-one isolated from Gliricidia sepium against Cooperia punctata.
Sign Up to like & getrecommendations! 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
Metal ion sensing ability and photo-physical properties of 4-hydroxy-3-nitroso-2H-chromen-2-one: Interaction studies with calf thymus-DNA
Sign Up to like & getrecommendations! 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
Anti-acidogenic and anti-biofilm activity of 5,6,8-trihydroxy-7-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one.
Sign Up to like & getrecommendations! 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
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
Sign Up to like & getrecommendations! 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
Verbenanone, an octahydro-5H-chromen-5-one from a Hawaiian-Plant Associated Fungus FT431.
Sign Up to like & getrecommendations! 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
A new multicomponent approach to the synthesis of substituted furan-2(5H)-ones containing 4H-chromen-4-one fragment
Sign Up to like & getrecommendations! 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
Base-Promoted Chemodivergent Construction of 2H-Chromen-2-one and Chromeno[2,3-c]pyrrole Scaffolds from para-Quinone Methides and α-Alkylidene Succinimides.
Sign Up to like & getrecommendations! Published in 2024 at "Organic letters"
DOI: 10.1021/acs.orglett.4c03436
Abstract: Herein, we evolve a base-promoted synthesis of 2H-chromen-2-one and chromeno[2,3-c]pyrrole scaffolds via (4 + 2) annulation of α-alkylidene succinimides with 2-hydroxyphenyl-substituted para-quinone methides (p-QMs). Extremely selective and switchable cyclizations were obtained by modifying the base.… read more here.
Keywords: one chromeno; alkylidene succinimides; pyrrole scaffolds; base promoted ... See more keywords
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
Sign Up to like & getrecommendations! 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
para metallation of 3-acetyl-chromen-2-one Schiff bases in tetranuclear palladacycles: focus on their biomolecular interaction and in vitro cytotoxicity.
Sign Up to like & getrecommendations! 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