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. 37366-09-9, C12H12Cl4Ru2. A document type is Article, introducing its new discovery., name: Dichloro(benzene)ruthenium(II) dimer
The reaction of furfurylamine with two equivalents of PPh2Cl in the presence of Et3N affords furfuryl-2-(N,N-bis(diphenylphosphino) amine), (Ph2P)2NCH2-C4H3O (1). The corresponding ruthenium(II) complex trans-[Ru((PPh2) 2NCH2-C4H3O)2Cl 2] (3) was synthesized by reacting 1 with [Ru(eta6-p- cymene)(mu-Cl)Cl]2. The reaction of furfurylamine with one equivalent of PPh2Cl gives Ph2PNHCH2-C 4H3O (2). The reaction of 2 with [Ru(eta6-p- cymene)(mu-Cl)Cl]2, [Ru(eta6-benzene)(mu-Cl)Cl] 2, [Rh(mu-Cl)(cod)]2 and [Ir(eta5-C 5Me5)(mu-Cl)Cl]2 yields the complexes [Ru(Ph2PNHCH2-C4H3S) (eta6-p-cymene)Cl2] (4), [Ru(Ph2PNHCH 2-C4H3O)(eta6-benzene)Cl 2] (5), [Rh(Ph2PNHCH2-C4H 3O)(cod)Cl] (6) and [Ir(Ph2PNHCH2-C 4H3O)(eta5-C5Me 5)Cl2] (7), respectively. All the complexes were isolated from the reaction solution and fully characterized by analytical and spectroscopic methods. The structure of [Ru(Ph2PNHCH 2-C4H3O)(eta6-p-cymene)Cl 2] (4) was also determined by single crystal X-ray diffraction. Complexes 3-7 are suitable precursors forming highly active catalysts in the transfer hydrogenation of a variety of simple ketones. Notably, the catalysts obtained by using the ruthenium complexes [Ru(Ph2PNHCH 2-C4H3O)(eta6-p-cymene)Cl 2] (4) and [Ru(Ph2PNHCH2-C4H 3O)(eta6-benzene)Cl2] (5) are much more active in the transfer hydrogenation, converting the carbonyls to the corresponding alcohols in 97-99% yields (TOF ?300 h-1), compared to analogous rhodium and iridium complexes and the trans-Ru(II)-p-cymene bis(phosphino)amine complex.
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Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI