Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, get their minds active, and encourage them to do something that doesn’t involve a screen. 32993-05-8, C41H35ClP2Ru. A document type is Article, introducing its new discovery., Application In Synthesis of Chlorocyclopentadienylbis(triphenylphosphine)ruthenium(II)
Reactions of the complexes [(eta5-C5H 5)Ru(PPh3)2Cl], [{(eta6a:rene) Ru(mu-Cl)Cl}2] (eta6-arene = C6H 6, C10H14, and C6Me6) and [(eta5-C5Me5)M(-Cl)Cl)2] (M = Rh, Ir) with 2-(2-diphenylphosphanylethyl)pyridine (PPh2Etpy) were investigated. Neutral kappa1-P-bonded complexes [(eta5-C5H5)Ru(kappa1-PPPh 2EtPy)(PPh3)Cl] (1) and [(eta6-arene] Ru(kappa1-P-PPh2EtPy)Cl2 [arene = C 6H6, (2). C10H14, (3), and C 6Me6, (4)] were isolated from the reactions of [(eta5-C5H5)Ru(PPh3) 2Cl] and [{(eta6-arene)Ru(-Cl)Cl}2] with PPh2EtPy. Treatment of 1-4 with NH4BF4/ NH 4PF6 in methanol allows the synthesis of cationic kappa2-P,Nchelated complexes [(eta5-C 5H5)Ru(K2-P,N-PPh2EtPy)(PPh 3)]+ (5) and [(eta6-arene) Ru(kappa2-P-N-PPh2EtPy)Cl]+ [arene = C 6H6, (6), C6H14, (7), and C 6Me6 (6)]. On the other hand, the dimers [{(eta5-C5Me5)M(-Cl)Cl}2] (M = Rh or Ir) reacted with PPh2EtPy in methanol to afford cationic kappa2-P,N-chelated complexes [(eta5-C 5Me5)M(kappa2-P-N-PPh2EtPy)Cl] + [M = Rh, (9); Ir, (10)]. Complex 10 reacted with an excess amount of sodium azide or sodium, chloride to afford the complexes [(eta5- C5Me5)Ir(kappa1-P-PPh2EtPy)X 2] (X = N3- 11; Cl-, 12), establishing the hemilabile nature of the coordinated PPh2EtPy. The complexes were characterized by elemental analyses and various physicochemical techniques. The molecular structures of 1, 5, 6, 9, and 10 were determined crystallographically, and the catalytic potentials of 1-10 were evaluated towards transferhydrogenation reactions under aqueous conditions.
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Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI