Dramatic Rate Acceleration by a Diphenyl-2-pyridylphosphine Ligand in the Hydration of Nitriles Catalyzed by Ru(acac) 2 Complexes
2005; American Chemical Society; Volume: 24; Issue: 26 Linguagem: Inglês
10.1021/om050792b
ISSN1520-6041
AutoresToshiyuki Oshiki, Hitoshi Yamashita, Kensuke Sawada, Masaru Utsunomiya, Kazunari Takahashi, Kazuhiko Takai,
Tópico(s)Chemical Synthesis and Reactions
ResumoNew ruthenium(II) complexes having acac (=acetylacetonato) and diphenyl-2-pyridylphosphine as ligands proved to be excellent catalysts for hydration of nitriles to amides under neutral conditions. Among the ruthenium complexes examined, cis-Ru(acac)2(PPh2py)2 exhibited the highest activity, with a turnover frequency of up to 20 900 (mol of amide)/((mol of catalyst) h).
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