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Journal articles on the topic '(E)-2-Styrylchromones'

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Published: 7 September 2021

Last updated: 29 July 2025

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1

Cavaleiro, José A. S., José Elguero, M. Luísa Jimeno, and Artur M. S. Silva. "Synthesis of (E)-2-Styrylchromones." Chemistry Letters 20, no. 3 (1991): 445–46. http://dx.doi.org/10.1246/cl.1991.445.

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2

S. Silva, Artur M., Diana C. G. A. Pinto, Hilário R. Tavares, José A. S. Cavaleiro, M. Luisa Jimeno, and José Elguero. "Novel (E)- and (Z)-2-Styrylchromones from (E, E)-2′-Hydroxycinnamylideneacetophenones – Xanthones from Daylight Photooxidative Cyclization of (E)-2-Styrylchromones." European Journal of Organic Chemistry 1998, no. 9 (1998): 2031–38. http://dx.doi.org/10.1002/(sici)1099-0690(199809)1998:9<2031::aid-ejoc2031>3.0.co;2-#.

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3

SILVA, A. M. S., D. C. G. A. PINTO, H. R. TAVARES, J. A. S. CAVALEIRO, M. L. JIMENO, and J. ELGUERO. "ChemInform Abstract: Novel (E)- and (Z)-2-Styrylchromones from (E,E)-2′-Hydroxycinnamylideneacetophenones - Xanthones from Daylight Photooxidative Cyclization of (E)-2-Styrylchromones." ChemInform 29, no. 52 (2010): no. http://dx.doi.org/10.1002/chin.199852164.

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4

CAVALEIRO, J. A. S., J. ELGUERO, M. L. JIMENO, and A. M. S. SILVA. "ChemInform Abstract: Synthesis of E-2-Styrylchromones." ChemInform 23, no. 8 (2010): no. http://dx.doi.org/10.1002/chin.199208219.

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5

C., Srinivas Rao, Jyotsna C., and S. Sait Shakil. "Palladium-mediated cyclization of 8-allyl-7 -hydroxy-2-styrylchrmnones towards the synthesis of 7 ,8-furano-2-styrylchromones." Journal of Indian Chemical Society Vol. 89, Sep 2012 (2012): 1283–87. https://doi.org/10.5281/zenodo.5769715.

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JNTUH, Dr. Reddy Laboratories, Hyderabad, India E-mail : chemistrycsr@gmail.com Manuscript received 17 February 2011, revised 13 December 2011, accepted 21 December 2011 A rapid, efficient and practical synthesis of 7,8-furano-2-styrylchromones by oxidation of 8-allyl-7-hydroxy-2-styrylchromones with dichlorobis(benzonitrile)palladium has been developed. This procedure is general and the products thus obtained have been characterized from their spectral data. DDQ oxidation of the same substrates, however, gave 7 ,8-pyrano-2-styrylchromone derivatives.

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6

Sankar, P. Dey, Chattopadhyay Falguni, and K. Mallik Asok. "Hypervalent iodine oxidation of flavonols and 3-hydroxy-2-styrylchromones in different alcohols." Journal of Indian Chemical Society Vol. 93, Nov 2016 (2016): 1321–24. https://doi.org/10.5281/zenodo.5639274.

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Department of Chemistry, Srikrishna College, Bagula, Nadia-741 502, West Bengal, India <em>E-mail</em> : deysp2002@yahoo.co.in Department of Chemistry, Jadavpur University, Kolkata-700 032, India <em>Manuscript received 18 May 2016, revised 08 September 2016, accepted 19 September 2016</em> Flavonols and 3-hydroxy-2-styrylchromones react with diacetoxyiodobenzene (DAIB) in different alcohols to yield addition compound. Alcohols used as solvent in the oxidation process add to the C-2 carbon of both the flavonols and 3-hydroxy-2-styrylchromones.

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7

Rocha-Pereira, Joana, Ricardo Cunha, Diana C. G. A. Pinto, Artur M. S. Silva, and Maria São José Nascimento. "(E)-2-Styrylchromones as potential anti-norovirus agents." Bioorganic & Medicinal Chemistry 18, no. 12 (2010): 4195–201. http://dx.doi.org/10.1016/j.bmc.2010.05.006.

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8

Simon, Lalitha. "IN-VITRO CYTOTOXICITY AND ANTIOXIDANT EVALUATION OF 7-AMINO-2-STYRYLCHROMONE DERIVATIVES." Asian Journal of Pharmaceutical and Clinical Research 10, no. 11 (2017): 152. http://dx.doi.org/10.22159/ajpcr.2017.v10i11.20587.

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Objective: The objective of this study was to synthesize 7-amino-2-styrylchromone derivatives and evaluate their in vitro cytotoxic and antioxidant potential.Methods: 7-amino-2-styrylchromones were synthesized from 7-amino-2-methylchromone by condensing it with various substituted aromatic aldehydes. The cytotoxicity of the synthesized molecules was assessed against two cell lines, MCF-7 and HCT-116 by 3-(4,5-dimethyl thiazol-2-yl)-2,5- diphenyl tetrazolium bromide assay. Cell cycle analysis of the most potent molecule ASC-7 was carried out. The antioxidant studies were conducted by 2,2-diphen

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9

Malafaia, Daniela, Joana L. C. Sousa, Artur M. S. Silva, and Hélio M. T. Albuquerque. "2,2’-[(1E,1’E)-{[Hexa-2,4-diyne-1,6-diylbis(oxy)]bis(2,1-phenylene)}bis(ethene-2,1-diyl)]bis(4H-chromen-4-one)." Molbank 2023, no. 2 (2023): M1621. http://dx.doi.org/10.3390/m1621.

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2-Styrylchromones (2-SCs) are interesting compounds for their biological properties as well as versatility as starting materials for further transformations. Herein, we disclose a new 2-SC derivative—2,2’-[(1E,1’E)-{[hexa-2,4-diyne-1,6-diylbis(oxy)]bis(2,1-phenylene)}bis(ethene-2,1-diyl)]bis(4H-chromen-4-one)—which is a dimeric compound formed by two units of 2-SC linked through a 1,3-diyne moiety. It was obtained in excellent yield (96%) through the copper-catalyzed homocoupling of two molecules of O-propargyl-2-SC. Its structure was unveiled by 1D (1H and 13C) and 2D (HSQC and HMBC) NMR tech

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10

Talhi, Oualid, Artur Silva, Abdelghani Bouchama, et al. "Diastereoselective One-Pot Tandem Synthesis of Chromenopyridodiazepinones through 1,4- and 1,6-Aza-Conjugate Additions/Heterocyclizations." Synlett 29, no. 07 (2018): 885–89. http://dx.doi.org/10.1055/s-0037-1609201.

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We report an efficient one-pot synthesis of a novel series of chromenopyridodiazepinone polyheterocycles by a catalyst-free nucleophilic addition of ethane-1,2-diamine to (E,E)-3-[3-(2-hydroxyphenyl)-3-oxoprop-1-en-1-yl]-2-styrylchromones at room temperature under mild conditions. The reaction proceeds by a tandem process involving 1,4- and 1,6-aza-conjugate additions of one amino group of ethane-1,2-diamine to the α,β-unsaturated (3-oxoprop-1-en-1-yl) and the α,β,γ,δ-diunsaturated (2-styrylchromone) carbonyl system of the precursor, followed by imine condensation of the remaining amino group

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11

Patoilo, Diana T., Artur M. S. Silva, Diana C. G. A. Pinto, Clementina M. M. Santos, Augusto C. Tomé, and José A. S. Cavaleiro. "Tetrahydroquinazoline-substituted chromones from Diels–Alder reaction of (E)-2-styrylchromones and pyrimidine ortho-quinodimethane." Tetrahedron Letters 53, no. 22 (2012): 2722–25. http://dx.doi.org/10.1016/j.tetlet.2012.03.081.

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12

Silva, Eduarda M. P., M. Rosário M. Domingues, Artur M. S. Silva, and José A. S. Cavaleiro. "Characterisation of (E)-2-styrylchromones by electrospray ionisation mass spectrometry: singular gas-phase formation of benzoxanthenones." Rapid Communications in Mass Spectrometry 26, no. 19 (2012): 2251–59. http://dx.doi.org/10.1002/rcm.6345.

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13

Silva, Artur, Eduarda Silva, and José Cavaleiro. "1,6-Conjugated Addition of Nitromethane to (E)-2-Styrylchromones: A New Synthesis of Novel 2-Substituted 4-Arylpyrrole Derivatives." Synlett 2011, no. 18 (2011): 2740–44. http://dx.doi.org/10.1055/s-0031-1289525.

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14

Silva, Artur M. S., José A. S. Cavaleiro, and José Elguero. "Oxidation of 4-Alkyl-2′-Hydroxy-2-cinnamylideneacetophenones with Thallium(III) Trinitrate: A New Synthesis of (E)-3-Styrylchromones." Liebigs Annalen 1997, no. 10 (1997): 2065–68. http://dx.doi.org/10.1002/jlac.199719971009.

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15

A. Pinto, Diana C. G., Artur M. S. Silva, and Jose´ A. S. Cavaleiro. "A convenient synthesis of new (E)-5-hydroxy-2-styrylchromones by modifications of the Baker–Venkataraman method." New Journal of Chemistry 24, no. 2 (2000): 85–92. http://dx.doi.org/10.1039/a908539d.

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16

Patoilo, Diana T., Artur M. S. Silva, Diana C. G. A. Pinto, Clementian M. M. Santos, Augusto C. Tome, and Jose A. S. Cavaleiro. "ChemInform Abstract: Tetrahydroquinazoline-Substituted Chromones from Diels-Alder Reaction of (E)-2-Styrylchromones and Pyrimidine ortho-Quinodimethane." ChemInform 43, no. 36 (2012): no. http://dx.doi.org/10.1002/chin.201236138.

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17

Silva, Eduarda, Artur Silva, Kinga Grenda, and Inês Cardoso. "1,6-Conjugate Addition of Carbon Nucleophiles to (E)-2-Styrylchromones: Unexpected Synthesis of a Stereochemically Complex Pentasubstituted Spirocyclohexane." Synlett 24, no. 18 (2013): 2375–82. http://dx.doi.org/10.1055/s-0033-1340043.

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18

Silva, Eduarda M. P., Artur M. S. Silva, and Jose A. S. Cavaleiro. "ChemInform Abstract: 1,6-Conjugated Addition of Nitromethane to (E)-2-Styrylchromones: A New Synthesis of Novel 2-Substituted 4-Arylpyrrole Derivatives." ChemInform 43, no. 15 (2012): no. http://dx.doi.org/10.1002/chin.201215139.

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19

SILVA, A. M. S., J. A. S. CAVALEIRO, and J. ELGUERO. "ChemInform Abstract: Oxidation of 4-Alkyl-2′-hydroxy-2-cinnamylideneacetophenones with Thallium(III) Trinitrate: A New Synthesis of (E)-3-Styrylchromones." ChemInform 28, no. 52 (2010): no. http://dx.doi.org/10.1002/chin.199752157.

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20

Pinto, Diana C. G. A., Artur M. S. Silva, and Jose A. S. Cavaleiro. "ChemInform Abstract: A Convenient Synthesis of New (E)-5-Hydroxy-2-styrylchromones by Modifications of the Baker-Venkataraman Method." ChemInform 31, no. 22 (2010): no. http://dx.doi.org/10.1002/chin.200022117.

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21

Silva, Vera L. M., Artur M. S. Silva, Diana C. G. A. Pinto, José A. S. Cavaleiro, and José Elguero. "Novel (E)- and (Z)-3(5)-(2-hydroxyphenyl)-4-styrylpyrazoles from (E)- and (Z)-3-styrylchromones: the unexpected case of (E)-3(5)-(2-hydroxyphenyl)-4-(4-nitrostyryl)pyrazoles." Tetrahedron Letters 48, no. 22 (2007): 3859–62. http://dx.doi.org/10.1016/j.tetlet.2007.03.147.

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22

Pinto, Joana, Vera Silva, Ana Silva та Artur Silva. "Synthesis of (E)-2-Styrylchromones and Flavones by Base-Catalyzed Cyclodehydration of the Appropriate β-Diketones Using Water as Solvent". Molecules 20, № 6 (2015): 11418–31. http://dx.doi.org/10.3390/molecules200611418.

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23

Silva, Eduarda M. P., Kinga Grenda, Ines N. Cardoso, and Artur M. S. Silva. "ChemInform Abstract: 1,6-Conjugate Addition of Carbon Nucleophiles to (E)-2-Styrylchromones: Unexpected Synthesis of a Stereochemically Complex Pentasubstituted Spirocyclohexane." ChemInform 45, no. 15 (2014): no. http://dx.doi.org/10.1002/chin.201415161.

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24

LETCHER, R. M., and T. Y. YUE. "ChemInform Abstract: The Structures and Stereochemistry of the Diels-Alder Adducts from (E)- 2-Styrylchromones. A Revision of the Xanthene Structures." ChemInform 23, no. 48 (2010): no. http://dx.doi.org/10.1002/chin.199248187.

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25

Berar, Surinder, Urmila Berar, Satish C. Gupta, and Ramesh C. Kamboj. "Novel generation of 9H-furo[3,2-b]chromen-9-ones from (E)-3-hydroxy-2-styrylchromones by excited state intramolecular proton transfer." Chinese Chemical Letters 19, no. 7 (2008): 780–82. http://dx.doi.org/10.1016/j.cclet.2008.04.011.

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26

Surinder, Berar, Berar UrmiJa, Thakur Mandeep, C. Gupta Satish, and C. Kamboj Ramesh. "Photochemistry of 3-alkoxy chromones : Photocyclisation of 3-benzyloxy-6-chloro-2-(1' -methyl-2' -phenylvinyl)-4-oxo-4H-1-benzopyran." Journal of Indian Chemical Society Vol. 85, July 2008 (2008): 759–62. https://doi.org/10.5281/zenodo.5817225.

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Department of Chemistry, Kurukshetra University, Kurukshetra-136 119, Haryana, India E-mail : rckamboj@rediffmail.com            Fax: 91-1744-238277 Manuscript received 31 December 2007. accepted 6 May 2008 Photocyclisation of 3-benzyloxy-6-chloro-2-(11 -methyl-21 -phenylvinyl)-4-oxo-4<em>H</em>-1-benzopyran with pyrex filtered <strong>UV</strong> light to yield linear tricyclic pyranopyrone and angular fused tetracyclic compound is described. The product formation occurred via cyclisation of 1,4-biradical produced through H-abstraction by <strong>C=O</strong> gro

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27

Pinto, Diana C. G. A., Artur M. S. Silva, and José A. S. Cavaleiro. "NOVEL (E)-3-(2'-BENZYLOXY-6'-HYDROXYPHENYL)-5-STYRYLPYRAZOLES FROM (E)-2-STYRYLCHROMONES." Heterocyclic Communications 3, no. 5 (1997). http://dx.doi.org/10.1515/hc.1997.3.5.433.

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28

Silva, Artur M. S., Hilário R. Tavares, and Jose A. S. Cavaleiro. "SYNTHESIS OF XANTHONES BY DAYLIGHT PHOTOOXIDATIVE CYCLIZATION OF (E)-2-STYRYLCHROMONES." Heterocyclic Communications 2, no. 3 (1996). http://dx.doi.org/10.1515/hc.1996.2.3.251.

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29

Berar, Surinder, Urmila Berar, Satish C. Gupta, and Ramesh C. Kamboj. "ChemInform Abstract: Novel Generation of 9H-Furo[3,2-b]chromen-9-ones from (E)-3-Hydroxy-2-styrylchromones by Excited State Intramolecular Proton Transfer." ChemInform 39, no. 49 (2008). http://dx.doi.org/10.1002/chin.200849135.

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