An elementary termolecular reaction involves the simultaneous collision of three atoms, molecules, or ions.538-58-9, name is 1,5-Diphenylpenta-1,4-dien-3-one. Here is a downstream synthesis route of the compound 538-58-9, 538-58-9
Bis(dibenzylideneacetone)palladium(0) (Pd(dba)2)was synthesized by reducing PdCl2 with methanol in thepresence of sodium acetate and dba [30]. Dibenzylideneacetone(3.4500 g, 1.472 ¡Á 10-2 mol), sodium acetatetrihydrate (4.8525 g, 3.568 ¡Á 10-2 mol), and methanol(113 mL) were placed in a two-neck round-bottomflask. The reaction mixture was stirred at 50C for 45-60 min to obtain a solution, and PdCl2 (0.7875 g,4.434 ¡Á 10-3 mol) was added. The resulting solutionwas stirred in an argon atmosphere at 40C for 4 h.This yielded a dark violet precipitate of the Pd(dba)2complex, which was collected on a fritted glass filterunder argon, washed with water and acetone, andvacuum-dried (30C/2-3 Torr) for 3 h. The productyield was 2.4 g. (94% of the theoretical yield); m =152C. According to the literature, m of thePd(dba)2 complex is 152C [31]. UV spectra:Pd(dba)2, 525 nm (d ? d* transition, epsilon525 =6400 L mol-1 cm-1); non-coordinated dba, 325 nm(n ? pi* transition, epsilon325 = 33540 L mol-1 cm-1).
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Reference£º
Article; Skripov; Belykh; Sterenchuk; Akimov; Tauson; Schmidt; Kinetics and Catalysis; vol. 58; 1; (2017); p. 34 – 45; Kinet. Katal.; vol. 58; 1; (2017); p. 36 – 48,13;,
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