New iminophosphine-Ru(II) complexes and their application in hydrogenation and transfer hydrogenation

Ruthenium complexes [RuCl2L2] were prepared by treating [RuCl2(p‐cymene)]2 with structurally similar N‐(2‐(diphenylphosphino)benzylidene)‐3‐methylpyridin‐2‐amine, 4‐(2‐(diphenylphosphino)benzylideneamino)‐3‐methylphenol and 4‐(2‐(2‐(diphenylphosphino)benzylideneamino)ethyl)phenol refluxed in toluene...

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Veröffentlicht in:Applied organometallic chemistry 2014-10, Vol.28 (10), p.768-772
Hauptverfasser: Keleş, Mustafa, Şahinoğlu, Coşkun, Emir, Duygu M., Mart, Mehmet
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Sprache:eng
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Zusammenfassung:Ruthenium complexes [RuCl2L2] were prepared by treating [RuCl2(p‐cymene)]2 with structurally similar N‐(2‐(diphenylphosphino)benzylidene)‐3‐methylpyridin‐2‐amine, 4‐(2‐(diphenylphosphino)benzylideneamino)‐3‐methylphenol and 4‐(2‐(2‐(diphenylphosphino)benzylideneamino)ethyl)phenol refluxed in toluene. These complexes were used as catalysts for the transfer hydrogenation of acetophenones in 2‐propanol and for the direct hydrogenation of styrenes under hydrogen pressure. The results of the catalytic studies provide evidence that these complexes function as excellent catalysts for hydrogenation and transfer hydrogenation. Copyright © 2014 John Wiley & Sons, Ltd. Iminophosphine–Ru(II) complexes have been synthesized, characterized and tested as catalysts for the transfer hydrogenation of acetophenones in 2‐propanol and for the direct hydrogenation of styrenes under hydrogen pressure. The studies demonstrate that these complexes act as excellent catalysts for hydrogenation and transfer hydrogenation.
ISSN:0268-2605
1099-0739
DOI:10.1002/aoc.3196