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Rhodium(I) complexes with 1'-(diphenylphosphino)ferrocenecarboxylic acid as active and recyclable catalysts for 1-hexane hydroformylation.
Autorzy
Rok wydania
2005
Czasopismo
Journal of Organometallic Chemistry
Numer woluminu
690
Strony
3260-3267
DOI
10.1016/j.jorganochem.2005.02.053
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
The rhodium complex trans-[Rh(CO)(Hdpf-kappa P)(dpf-kappa(2)O,P)] (1), (Hdpf = 1'-(diphenylphosphino)ferrocenecarboxylic acid) was used as an efficient and recyclable catalyst for 1-hexene hydroformylation producing ca. 80% of aldehydes at 10 atm CO/H-2 and 80 degrees C. After the reaction, unchanged complex 1 was separated from the reaction mixture and used again three times with the same catalytic activity. The effect of modifying ligands, phosphines and phosphites, on the reactivity of 1 was investigated. The active catalytic systems containing 1 or trans-[Rh(CO)(L)(dpf-kappa(2)O,P)] (2) were formed in situ from acetylacetonato rhodium(I) precursors [Rh(CO)(2)(acac)] (3) or [RhL(CO)(acac)] (4) and Hdpf or Medpf (L = phosphine, Medpf = methyl ester of Hdpf). (c) 2005 Elsevier B.V. All rights reserved.
Adres publiczny
https://doi.org/10.1016/j.jorganochem.2005.02.053
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