34838-64-7Relevant academic research and scientific papers
Phosphorous Acid Promoted Hydration-Condensation of Aromatic Alkynes with Aldehydes Affording Chalcones in an Oil/Water Two-Phase System
Zhou, Yongbo,Li, Zhongwen,Yang, Xiao,Chen, Xiulin,Li, Mei,Chen, Tieqiao,Yin, Shuang-Feng
, p. 231 - 237 (2016/01/12)
A simple and environmentally benign method was developed for the synthesis of chalcones in high to excellent yields by a phosphorous acid promoted alkyne-aldehyde hydration-condensation in an oil/water two-phase system. The method is the first efficient protocol for the preparation of chalcones that is mediated by a simple Bronsted acid in a two-phase system.
Symmetric bis-chalcones as a new type of breast cancer resistance protein inhibitors with a mechanism different from that of chromones
Winter, Evelyn,Devantier Neuenfeldt, Patrícia,Chiaradia-Delatorre, Louise Domeneghini,Gauthier, Charlotte,Yunes, Rosendo Augusto,Nunes, Ricardo J.,Creczynski-Pasa, Tania Beatriz,Di Pietro, Attilio
, p. 2930 - 2941 (2014/05/06)
Potent ABCG2 inhibitors were recently identified as asymmetric chromones with different types of substituents. We here synthesized symmetric bis-chalcones that were differently substituted and screened for their ability to inhibit mitoxantrone efflux from
Practical metal-free synthesis of chalcone derivatives via a tandem cross-dehydrogenative-coupling/elimination reaction
Wei, Yu,Tang, Jinghua,Cong, Xuefeng,Zeng, Xiaoming
supporting information, p. 3165 - 3169 (2013/11/06)
Metal-free synthesis of chalcone derivatives through a tandem cross-dehydrogenative-coupling/elimination reaction is described. A simple and inexpensive ammonium persulfate salt enables the reaction between ketones and benzylamines to proceed with high stereoselectivity and good functional group compatibility.
Synthesis, characterization and antimicrobial activities of some novel bis-chalcones
Mobinikhaledi, Akbar,Kalhor, Mehdi,Jamalifar, Hossein
, p. 1811 - 1816 (2012/11/13)
A series of novel bis-chalcones 3a-n were synthesized in excellent yields by condensation reaction of 1,4-diacetylbenzene with various aldehydes in ethanol 96% and aqueous NaOH at room temperature. All compounds were characterized by IR, 1H and
Convergence of absorption and fluorescence in cross-conjugated oligomers consisting of chalcone building blocks
Meier, Herbert,Aust, Harald,Ickenroth, Dirk,Kolshorn, Heinz
, p. 529 - 535 (2007/10/03)
The absorption and fluorescence spectra of two series of chalcone oligomers (1a-d) and (2a-d) are reported. Due to small or vanishing orbital coefficients (HMO calculation) within the cross-conjugated systems, the bathochromic shifts caused by the extensi
TOPOCHEMICAL "DOUBLE" PHOTOCYCLODIMERIZATION OF THE 1,4-DICINNAMOYLBENZENE CRYSTAL
Hasegawa, Masaki,Saigo, Kazuhiko,Mori, Toru,Uno, Hirofuni,Nohara, Masao,Nakanishi, Hachiro
, p. 2788 - 2793 (2007/10/02)
The 1,4-dicinnaomoylbenzene crystal (1) dimerizes on photoirradiation into 21,22,23,24-tetraphenyl-1,4,11,14-tetraoxo-2(3),12(13)-diethanoparacyclophane (3) in an extremely hygh yield through the intermediate dimer 2 by "double" cyclodimerization wit
PHOTODIMERIZATION OF 1,4-DICINNAMOYLBENZENE CRYSTAL VIA A TOPOCHEMICAL PROCESS
Hasegawa, Masaki,Nohara, Masao,Saigo, Kazuhiko,Mori, Toru,Nakanishi, Hachiro
, p. 561 - 564 (2007/10/02)
1,4-Dicinnamoylbenzene crystals photodimerize readily via a double cycloaddition into the corresponding tricyclic dimer, which consist of two cyclobutane rings and a macro ring bridged by two phenylene linkages.
