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. , 538-58-9
General procedure: In a general procedure, dibenzylidene acetone (1 mmol), N,N-dimethylbarbituric acid/barbituric acid/thiobarbituric acid(1 mmol) and 4 mL of ethanol:water (1:1) were taken in a 50 mL round-bottomed flask. 10 mol% of tetrabutyl ammonium bromide (TBAB) was added to the mixture, and the contents were stirred. The reaction mixture was refluxed and the progress of the reaction was monitored by TLC using ethyl acetate:petroleum ether (30:70) as eluent for disappearance of active methylene compounds. After completion of the reaction, the reaction mixture was allowed to cool to room temperature and diluted with water (5 mL). The solid obtained was filtered at pump and washed with water:ethanol (2:1). The product was recrystallized with ethanol. The products were characterized by their spectral data.
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Reference£º
Article; Aggarwal, Komal; Khurana, Jitender M.; Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy; vol. 143; (2015); p. 288 – 297;,
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