İki çekirdekli rutenyum II aren komplekslerinin ketonların transfer hidrojenasyonuna uygulanması

Year 2013, Volume: 2 Issue: 1, 1 - 8, 01.06.2013

Nermin Meriç Cezmi Kayan Murat Aydemir Yusuf Selim Ocak Akın Baysal Hamdi Temel

Abstract

Geçifl metal katalizörlerinin transfer hidrojenasyon reaksiyonuyla organik substratlara hidrojen katılmasıveya çıkarılması önemli bir sentetik araçtır. Bu amaçla, N3,N3'-di-2-hidroksibenziliden-[2,2']bipiridinil3,3'-diamin bilefliğinden elde edilen bir P-O ligandı olan N3,N3'-di-2- difenilfosfino benziliden-[2,2']bipiridinil3,3'-diaminin bir dizi metal kompleksi sentezlendi. N3,N3'-di-2- difenilfosfino benziliden-[2,2']bipiridinil3,3'-diaminin [Ru η-benzen µ-Cl Cl] yada [Ru η-p-simen µ-Cl Cl]2 ile reaksiyonu köprülü ve ikiçekirdekli [CH16N4{OPPh2-Ru η6-benzen Cl2}2] 1 ve [Ckomplekslerini vermektedir. Ru II -bisfosfinit kompleksleri ayrıca basit birçok alkil ve aril alkil ketonuntransfer hidrojenasyonunda katalizör olarak kullanıldı ve iyi düzeyde % 99'a kadar dönüflümler eldeedildi

Keywords

Bis fosfinit, Transfer hidrojenasyon, Rutenyum, Kataliz, Keton

Application of dinuclear ruthenium II arene complexes in transfer hydrogenation of ketones

Abstract

The ability of transition metal catalysts to add or remove hydrogen from organic substrates by transferhydrogenation process is a valuable synthetic tool. For this aim, a series of metal complexes with a P-Oligand, N3,N3'-di-2- diphenylphosphino benzylidene-[2,2']bipyridinyl-3,3'-diamine derived from N3,N3'di-2-hydroxybenzylidene-[2,2']bipyridinyl-3,3'-diamine were synthesized. Reaction of N3,N3'-di-2 diphenylphosphino benzylidene-[2,2']bipyridinyl-3,3'-diamine with [Ru η6-benzene µ-Cl Cl]2 or [Ru η6p-cymene µ-Cl Cl]2 gave bridged dinuclear complexes [C24H16N4{OPPh2-Ru η6-benzene Cl2}2] 1 and[C24H16N4{OPPh2-Ru η6-p-cymene Cl}2] 2, respectively. Ru II -bisphosphinite complexes have also beenused as catalysts for the transfer hydrogenation of a variety of simple alkyl and aryl alkyl ketones and goodconversions up to 99 % were obtained

Keywords

Bis phosphinite, Transfer hydrogenation, Ruthenium, Catalysis, Ketone

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