Journal articles on the topic '4H-1-Benzopyran-4-ones'
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Ghosh, Chandra Kanta, and Chandreyi Ghosh. "ChemInform Abstract: 9H-Xanthen-9-ones from 4H-1-Benzopyran-4-ones." ChemInform 31, no. 40 (2000): no. http://dx.doi.org/10.1002/chin.200040253.
Full textDauzonne, Daniel, and Cyrille Grandjean. "Synthesis of 2-Aryl-3-nitro-4H-1-benzopyran-4-ones." Synthesis 1992, no. 07 (1992): 677–80. http://dx.doi.org/10.1055/s-1992-26198.
Full textKumar Ahluwalia, Vinod, Raju Adhikari, and Rishi Pal Singh. "Synthesis of 2,3-Diphenyl-4H-benzofuro[3,2-g]furo[3,2-c][1]benzopyran-4-ones and 2,3-Diphenyl-4H-benzofuro[3,2-g]pyrrolo[3,2-c][1]benzopyran-4-ones." HETEROCYCLES 24, no. 7 (1986): 1919. http://dx.doi.org/10.3987/r-1986-07-1919.
Full textJaen, Juan C., Lawrence D. Wise, Thomas G. Heffner, Thomas A. Pugsley, and Leonard T. Meltzer. "Dopamine autoreceptor agonists as potential antipsychotics. 2. (Aminoalkoxy)-4H-1-benzopyran-4-ones." Journal of Medicinal Chemistry 34, no. 1 (1991): 248–56. http://dx.doi.org/10.1021/jm00105a039.
Full textDAUZONNE, D., and C. GRANDJEAN. "ChemInform Abstract: Synthesis of 2-Aryl-3-nitro-4H-1-benzopyran-4-ones." ChemInform 23, no. 46 (2010): no. http://dx.doi.org/10.1002/chin.199246174.
Full textBASINSKI, W. "ChemInform Abstract: Benzo-γ-pyrones. Part 15. Conversion of Some 4-Oxo-4H-1- benzopyran-2-carboxylic Acids into 4H-1-Benzopyran-4-ones via Isoxazoles." ChemInform 26, № 34 (2010): no. http://dx.doi.org/10.1002/chin.199534164.
Full textYeap, Guan-Yeow, Wan-Sinn Yam, Paulina Dominiak, and Masato M. Ito. "Synthesis and structural study on heterocyclic compounds 7-decanoyloxy-3-(4′-substitutedphenyl)-4H-1-benzopyran-4-ones: Crystal structure of 7-decanoyloxy-3-(4′-methylphenyl)-4H-1-benzopyran-4-one." Journal of Molecular Structure 967, no. 1-3 (2010): 25–33. http://dx.doi.org/10.1016/j.molstruc.2009.12.033.
Full textDraper, Richard W., Bin Hu, Radha V. Iyer, et al. "An Efficient Process for the Synthesis of trans-2,3-Disubstituted-2,3-dihydro-4H-1-benzopyran-4-ones (Chroman-4-ones)." Tetrahedron 56, no. 13 (2000): 1811–17. http://dx.doi.org/10.1016/s0040-4020(00)00101-0.
Full textKumar, R. Jagdish, G. L. David Krupadanam, and G. Srimannarayana. "A New Approach to the Synthesis of 2-Methyl-4H-furo[3,2-c][1]benzopyran-4-ones and 2H,5H-Pyrano[3,2-c][1]benzopyran-5-ones." Synthesis 1990, no. 06 (1990): 535–38. http://dx.doi.org/10.1055/s-1990-26933.
Full textChawla, H. Mohindra, and S. Kumar Sharma. "Novel One-Pot Photochemical Synthesis of 3-C-Aroyl-2-aryl-4H-1-benzopyran-4-ones." Synthetic Communications 20, no. 2 (1990): 301–6. http://dx.doi.org/10.1080/00397919008052298.
Full textJAEN, J. C., L. D. WISE, T. G. HEFFNER, T. A. PUGSLEY, and L. T. MELTZER. "ChemInform Abstract: Dopamine Autoreceptor Agonists as Potential Antipsychotics. Part 2. ( Aminoalkoxy)-4H-1-benzopyran-4-ones." ChemInform 22, no. 23 (2010): no. http://dx.doi.org/10.1002/chin.199123150.
Full textDraper, Richard W., Bin Hu, Radha V. Iyer, et al. "ChemInform Abstract: An Efficient Process for the Synthesis of trans-2,3-Disubstituted-2,3-dihydro-4H-1-benzopyran-4-ones (Chroman-4-ones)." ChemInform 31, no. 26 (2010): no. http://dx.doi.org/10.1002/chin.200026132.
Full textYeap, Guan-Yeow, Wan-Sinn Yam, Wen-Sheng Chang, Ewa Gorecka, Daisuke Takeuchi, and Kohtaro Osakada. "Synthesis, anisotropic behaviour and structural changes in somepara-substituted isoflavones: 4′-substituted-7-(4″-decyloxybenzoyloxy)-4H-1-benzopyran-4-ones." Phase Transitions 84, no. 3 (2011): 256–68. http://dx.doi.org/10.1080/01411594.2010.501683.
Full textKumar Sharma, Surendra, H. Mohindra Chawla, and S. Kumar Sharma. "Novel One Pot Convenient Synthesis of 3-Benzylidene-2-phenyl-2,3-dihydro-4H-1-benzopyran-4-ones." HETEROCYCLES 26, no. 6 (1987): 1527. http://dx.doi.org/10.3987/r-1987-06-1527.
Full textJacquot, Yves, Cillian Byrne, Alain Xicluna, and Guy Leclercq. "Synthesis, structure, and estrogenic activity of 2- and 3-substituted 2,3-dihydro-4H-1-benzopyran-4-ones." Medicinal Chemistry Research 22, no. 2 (2012): 681–91. http://dx.doi.org/10.1007/s00044-012-0058-2.
Full textYeap, Guan Yeow, Tze Nee Chan, Wan Sinn Yam, Daisuke Takeuchi, and Masato M. Ito. "Influence of bromoalkyloxy side chain on mesomorphic behavior in heterocyclic 7-(4-bromoalkyloxy)-3-(4′-decyloxyphenyl)-4H-1-benzopyran-4-ones." Chinese Chemical Letters 22, no. 8 (2011): 947–50. http://dx.doi.org/10.1016/j.cclet.2011.03.006.
Full textDauzonne, Daniel, Hubert Josien, and Pierre Demerseman. "(2-chloro-2-nitroethenyl)benzenes as synthons: a general method for the preparation of 2,3-dihydro- 2-nitro-3-phenyl-4H-furo [3,2-c] [1]benzopyran-4-ones and 3-phenyl-4H-furo[3,2-c][1]benzopyran-4-ones." Tetrahedron 46, no. 21 (1990): 7359–71. http://dx.doi.org/10.1016/s0040-4020(01)89053-0.
Full textDAUZONNE, D., H. JOSIEN, and P. DEMERSEMAN. "ChemInform Abstract: (2-Chloro-2-nitroethenyl)benzenes as Synthons: A General Method for the Preparation of 2,3-Dihydro-2-nitro-3-phenyl-4H-furo(3,2-c)(1) benzopyran-4-ones and 3-Phenyl-4H-furo(3,2-c)(1)benzopyran-4-ones." ChemInform 22, no. 7 (2010): no. http://dx.doi.org/10.1002/chin.199107147.
Full textGöker, Hakan, David W. Boykin, and Sulhiye Yıldız. "Synthesis and potent antimicrobial activity of some novel 2-phenyl or methyl-4H-1-benzopyran-4-ones carrying amidinobenzimidazoles." Bioorganic & Medicinal Chemistry 13, no. 5 (2005): 1707–14. http://dx.doi.org/10.1016/j.bmc.2004.12.006.
Full textKim, Young-Woo, James A. Mobley, and Robert W. Brueggemeier. "Synthesis and estrogen receptor binding affinities of 7-hydroxy-3-(4-hydroxyphenyl)-4H-1-benzopyran-4-ones containing a basic side chain." Bioorganic & Medicinal Chemistry Letters 13, no. 8 (2003): 1475–78. http://dx.doi.org/10.1016/s0960-894x(03)00132-x.
Full textYeap, Guan‐Yeow, Wan‐Sinn Yam, Daisuke Takeuchi, et al. "Synthesis, thermal stabilities, and anisotropic properties of some new isoflavone‐based esters 7‐decanoyloxy‐3‐(4′‐substitutedphenyl)‐4H‐1‐benzopyran‐4‐ones." Liquid Crystals 35, no. 3 (2008): 315–23. http://dx.doi.org/10.1080/02678290701875811.
Full textPARMAR, V. S., S. GUPTA, R. SINHA, and S. K. SHARMA. "ChemInform Abstract: Synthesis of Some Commonly Occurring 2-Phenyl-4H-1-benzopyran-4-ones: Revised Structures for Three Natural Products." ChemInform 24, no. 20 (2010): no. http://dx.doi.org/10.1002/chin.199320259.
Full textGAILLARD, Pascale, Marcelle HAUTEVILLE, Madeleine PICQ, Marie-Christine DUCLOS, Madeleine DUBOIS, and Annie-France PRIGENT. "Selective Inhibition of Rat Heart cAMP Phosphodiesterases by Lipophilic C-Methyl-2-phenyl-4H-1-benzopyran-4-ones (C-Methylflavones)." CHEMICAL & PHARMACEUTICAL BULLETIN 44, no. 8 (1996): 1571–76. http://dx.doi.org/10.1248/cpb.44.1571.
Full textRiva, Carlo, Carlo De Toma, Leandro Donadel, et al. "New DBU (1,8-Diazabicyclo[5.4.0]undec-7-ene) Assisted One-Pot Synthesis of 2,8-Disubstituted 4H-1-Benzopyran-4-ones." Synthesis 1997, no. 02 (1997): 195–201. http://dx.doi.org/10.1055/s-1997-1168.
Full textPatonay, Tamás, Erzsébet Patonay-Péli, György Litkei, László Szilágyi, Gyula Batta, and Zoltán Dinya. "Flavonoids.41. Stereospecific synthesis of 2,3-dihydro-c-3-substituted-t-3-methyl-r-2-phenyl-4H-1-benzopyran-4-ones." Journal of Heterocyclic Chemistry 25, no. 1 (1988): 343–47. http://dx.doi.org/10.1002/jhet.5570250158.
Full textCastleden, IR, SR Hall, S. Nimgirawath, S. Thadaniti, and AH White. "The Flavonoids of Combretum quadrangulare: Crystal structures of the Polymorphic Forms of 5-Hydroxy-2-(4'-hydroxy-3',5'-dimethoxyphenyl)-3,7-dimethoxy-4H-1-benzopyran-4-one." Australian Journal of Chemistry 38, no. 8 (1985): 1177. http://dx.doi.org/10.1071/ch9851177.
Full textEscandar, Graciela M., and Luis F. Sala. "Complexing behavior of rutin and quercetin." Canadian Journal of Chemistry 69, no. 12 (1991): 1994–2001. http://dx.doi.org/10.1139/v91-288.
Full textSoni, Anil Kumar, G. L. David Krupadanam, and G. Srimannarayana. "Synthesis of new 2-[3-aryl-5-methyl-4-isooxazolyl]-7-hydroxy-3-phenyl-4H-1-benzopyran-4-ones and their insect-antifeedant activity." Arkivoc 2006, no. 16 (2006): 35–42. http://dx.doi.org/10.3998/ark.5550190.0007.g04.
Full textGAILLARD, P., M. HAUTEVILLE, M. PICQ, M. C. DUCLOS, M. DUBOIS, and A. F. PRIGENT. "ChemInform Abstract: Selective Inhibition of Rat Heart cAMP Phosphodiesterases by Lipophilic C-Methyl-2-phenyl-4H-1-benzopyran-4-ones (C-Methylflavones)." ChemInform 28, no. 11 (2010): no. http://dx.doi.org/10.1002/chin.199711114.
Full textPARMAR, V. S., A. VARDHAN, S. K. SHARMA, N. K. SHARMA, and K. S. BISHT. "ChemInform Abstract: Synthesis, Biological Activity and Solvent-Induced Shifts in the 1H NMR Spectra of 2,3-Dihydro-4H-1-benzopyran-4-ones." ChemInform 25, no. 24 (2010): no. http://dx.doi.org/10.1002/chin.199424267.
Full textRIVA, C., C. DE TOMA, L. DONADEL, et al. "ChemInform Abstract: New DBU (1,8-Diazabicyclo(5.4.0)undec-7-ene) Assisted One-Pot Synthesis of 2,8-Disubstituted 4H-1-Benzopyran-4-ones." ChemInform 28, no. 30 (2010): no. http://dx.doi.org/10.1002/chin.199730132.
Full textBasavaiah, Deevi, and Anumolu Jaganmohan Rao. "1-Benzopyran-4(4H)-ones as novel activated alkenes in the Baylis–Hillman reaction: a simple and facile synthesis of indolizine-fused-chromones." Tetrahedron Letters 44, no. 23 (2003): 4365–68. http://dx.doi.org/10.1016/s0040-4039(03)00934-1.
Full textIshar, M. P. S., Kamal Kumar, and Rajinder Singh. "Thermal rearrangements of C-(4-Oxo-4H[1]benzopyran-3-yl)-N-phenylnitrone-a route to novel quinolino[2,3-b]chroman-12-ones." Tetrahedron Letters 39, no. 36 (1998): 6547–50. http://dx.doi.org/10.1016/s0040-4039(98)01362-8.
Full textKumar Soni, Anil, G. L. David Krupadanam, and G. Srimannarayana. "Facile Synthesis of 7‐Methoxy‐2‐aryl‐3‐phenyl/or‐H‐8‐[2‐(4,6‐dimethyl‐3,5‐dicarbethoxy‐pyridyl)]‐4H‐1‐benzopyran‐4‐ones." Synthetic Communications 37, no. 5 (2007): 795–804. http://dx.doi.org/10.1080/00397910601133581.
Full textPathak, Vijai N., Bindu Varshney, and Ragini Gupta. "A ‘one pot’ synthesis of 2-aryl-4H-1-benzopyran-4-ones under coupled microwave phase transfer catalysis (PTC) and ultrasonic irradiation PTC." Journal of Heterocyclic Chemistry 45, no. 2 (2008): 589–92. http://dx.doi.org/10.1002/jhet.5570450246.
Full textYuan, Langtian, Jin-Soo Seo, Nam Sook Kang та ін. "Identification of 3-hydroxy-2-(3-hydroxyphenyl)-4H-1-benzopyran-4-ones as isoform-selective PKC-ζ inhibitors and potential therapeutics for psychostimulant abuse". Molecular BioSystems 5, № 9 (2009): 927. http://dx.doi.org/10.1039/b903036k.
Full textPatonay, Tamás, László Hegedüs, and Erzsébet Patonay-Péli. "Flavonoids.43[1,2]. Deprotonation-initiated aryl migration with sulfur dioxide extrusion: A route to 2,3-dihydro-2,3-diaryl-3-hydroxy-4H-1-benzopyran-4-ones." Journal of Heterocyclic Chemistry 30, no. 1 (1993): 145–51. http://dx.doi.org/10.1002/jhet.5570300126.
Full textISHAR, M. P. S., K. KUMAR, and R. SINGH. "ChemInform Abstract: Thermal Rearrangements of C-(4-Oxo-4H[1]benzopyran-3-yl)-N-phenylnitrone. A Route to Novel Quinolino[2,3-b]chroman-12-ones." ChemInform 29, no. 48 (2010): no. http://dx.doi.org/10.1002/chin.199848137.
Full textAPPENDINO, G., G. CRAVOTTO, G. PALMISANO, and R. ANNUNZIATA. "ChemInform Abstract: The Chemistry of Coumarin Derivatives. Part 8. Oxidative Addition of 4- Hydroxycoumarin to Alkenes. An Expeditious Entry to 2,3-Dihydro-4H- furo(3,2-c)(1)benzopyran-4-ones." ChemInform 27, no. 49 (2010): no. http://dx.doi.org/10.1002/chin.199649155.
Full textPATONAY, T., L. HEGEDUES, and E. PATONAY-PELI. "ChemInform Abstract: Flavonoids. Part 43. Deprotonation-Initiated Aryl Migration with Sulfur Dioxide Extrusion: A Route to 2,3-Dihydro-2,3-diaryl-3-hydroxy- 4H-1-benzopyran-4-ones." ChemInform 24, no. 36 (2010): no. http://dx.doi.org/10.1002/chin.199336186.
Full textLikhar, Pravin R, M. S. Subhas, Moumita Roy, Sarabindu Roy, and M. Lakshmi Kantam. "Copper-FreeSonogashira Coupling of Acid Chlorides with Terminal Alkynes in the Presence of a Reusable Palladium Catalyst: An Improved Synthesis of 3-Iodochromenones (=3-Iodo-4H-1-benzopyran-4-ones)." Helvetica Chimica Acta 91, no. 2 (2008): 259–64. http://dx.doi.org/10.1002/hlca.200890032.
Full textVasselin, David A., Andrew D. Westwell, Charles S. Matthews, Tracey D. Bradshaw, and Malcolm F. G. Stevens. "Structural Studies on Bioactive Compounds. 40.1Synthesis and Biological Properties of Fluoro-, Methoxyl-, and Amino-Substituted 3-Phenyl-4H-1-benzopyran-4-ones and a Comparison of Their Antitumor Activities with the Activities of Related 2-Phenylbenzothiazoles." Journal of Medicinal Chemistry 49, no. 13 (2006): 3973–81. http://dx.doi.org/10.1021/jm060359j.
Full textJaved, T., S. S. Kahlon, and N. R. Baker. "Synthesis and Pharmacological Evaluation of 4H-1-Benzopyran-4-ones and 2,3-Dihydro-4H-1-benzopyran-4-ones as Cardiotonic Agents." ChemInform 34, no. 41 (2003). http://dx.doi.org/10.1002/chin.200341271.
Full textAHLUWALIA, V. K., R. ADHIKARI, and R. P. SINGH. "ChemInform Abstract: Synthesis of 2,3-Diphenyl-4H-benzofuro[3,2-g]furo[3,2-c][1]benzopyran-4-ones and 2,3-Diphenyl-4H-benzofuro[3,2-g]pyrrolo[3,2-c][1]benzopyran-4-ones." Chemischer Informationsdienst 17, no. 47 (1986). http://dx.doi.org/10.1002/chin.198647198.
Full textCHAWLA, H. M., and S. K. SHARMA. "ChemInform Abstract: A Novel One-Pot Synthesis of 3-Benzal-2,3-dihydro-4H-1-benzopyran-4-ones." ChemInform 19, no. 17 (1988). http://dx.doi.org/10.1002/chin.198817189.
Full textKUMAR, R. J., G. L. D. KRUPADANAM, and G. SRIMANNARAYANA. "ChemInform Abstract: A New Approach to the Synthesis of 2-Methyl-4H-furo(3,2-c)(1)benzopyran-4-ones and 2H,5H-Pyrano(3,2-c)(1)benzopyran-5-ones." ChemInform 21, no. 46 (1990). http://dx.doi.org/10.1002/chin.199046205.
Full textDavies, Stephen G., Bryan E. Mobbs, and Christopher J. Goodwin. "Substituted 4H-1-benzopyran-4-ones (chromones): synthesis via palladium-catalysed coupling of their halogeno derivatives with alkenes." Journal of the Chemical Society, Perkin Transactions 1, 1987, 2597. http://dx.doi.org/10.1039/p19870002597.
Full textKumar, Vijayendra, Rajesh Kumar, Raunak Raunak, et al. "ChemInform Abstract: Biocatalytic Acylation Sudies on Novel 3-Aryl-3-hydroxymethyl-2,3-dihydro-4H-1-benzopyran-4-ones." ChemInform 39, no. 2 (2008). http://dx.doi.org/10.1002/chin.200802129.
Full textFERNANDES, P. S., and N. V. GAWRI. "ChemInform Abstract: SYNTHESIS OF SOME NEW 2-(2-(5-PHENYL-3-ISOXAZOLYL)PHENOXYMETHYL)-4H-1-BENZOPYRAN-4-ONES." Chemischer Informationsdienst 16, no. 21 (1985). http://dx.doi.org/10.1002/chin.198521188.
Full textCHAWLA, H. M., and S. K. SHARMA. "ChemInform Abstract: Novel One-Pot Photochemical Synthesis of 3-C-Aroyl-2-aryl-4H-1-benzopyran-4-ones." ChemInform 21, no. 30 (1990). http://dx.doi.org/10.1002/chin.199030173.
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