538-58-9, The molecularity of an elementary reaction is the number of molecules that collide during that step in the mechanism. If there is only a single reactant molecule in an elementary reaction, that step is designated as unimolecular.538-58-9, name is 1,5-Diphenylpenta-1,4-dien-3-one. A new synthetic method of this compound is introduced below.
General procedure: To a stirred solution of indole 1a (59 mg, 0.5 mmol) and chalcone 2a (115 mg, 0.55 mmol) in MeCN (2.0mL) was added a solution of Br2 (0.00077 mL) in MeCN (0.5 mL), and the mixture was stirred for 7.0 h at 50 C. After 1a was consumed, as indicated by TLC, the reaction mixture was quenched with saturated aqueous Na2S2O3 (0.2mL) and water (10.0 mL), and extracted with CH2Cl2 three times. The residue obtained after evaporation of the solvent was purified by column chromatography on silica gel (petroleum ether-ethyl acetate = 30:1, v/v) to afford adduct 3a as a white solid (151 mg, 93% yield)., 538-58-9
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Reference£º
Article; Liang, Deqiang; Li, Xiangguang; Zhang, Wanshun; Li, Yanni; Zhang, Mi; Cheng, Ping; Tetrahedron Letters; vol. 57; 9; (2016); p. 1027 – 1030;,
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