1298022-59-9Relevant academic research and scientific papers
Organometallic ruthenium, rhodium and iridium complexes containing a P-bound thiophene-2-(N-diphenylphosphino)methylamine ligand: Synthesis, molecular structure and catalytic activity
Aydemir, Murat,Baysal, Akn,Meric, Nermin,Kayan, Cezmi,Gümgüm, Bahattin,?zkar, Saim,?ahin, Ertan
, p. 2584 - 2588 (2011)
Reaction of Ph2PNHCH2-C4H3S with [Ru(η6-p-cymene)(μ-Cl)Cl]2, [Ru(η6-benzene)(μ-Cl)Cl]2, [Rh(μ-Cl)(cod)] 2 and [Ir(η5-C5Me5)(μ-Cl)Cl] 2 yields complexes [Ru(Ph2PNHCH2-C 4H3S)(η6-p-cymene)Cl2], 1, [Ru(Ph2PNHCH2-C4H3S) (η6-benzene)Cl2], 2, [Rh(Ph2PNHCH 2-C4H3S)(cod)Cl], 3 and [Ir(Ph 2PNHCH2-C4H3S)(η5- C5Me5)Cl2], 4, respectively. All complexes were isolated from the reaction solution and fully characterized by analytical and spectroscopic methods. The structure of [Ru(Ph2PNHCH 2-C4H3S)(η6-benzene)Cl 2], 2 was also determined by single crystal X-ray diffraction. 1-4 are suitable precursors forming highly active catalyst in the transfer hydrogenation of a variety of simple ketones. Notably, the catalysts obtained by using the ruthenium complexes [Ru(Ph2PNHCH2-C 4H3S)(η6-p-cymene)Cl2], 1 and [Ru(Ph2PNHCH2-C4H3S) (η6-benzene)Cl2], 2 are much more active in the transfer hydrogenation converting the carbonyls to the corresponding alcohols in 98-99% yields (TOF ≤ 200 h-1) in comparison to analogous rhodium and iridium complexes.
