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1997 (1)
1976 (1)
1Author    FriedrichFranz SeeligRequires cookie*
 Title    Effects in the Hydroformylation Process  
 Abstract    The complicated and partially controversial formulations of the various steps and branchings in the hydroformylation process are comprised in a reaction scheme that ne-glects the production of different isomers and isomerisations of olefins and is a compromise between the given complexity and a theoretical tractability. Special consideration is devoted to the inhibition of the process by one of its substrates, CO. In a first approxima-tion complete inertness of the Co-tetracarbonyls is assumed and the existence of bistability and hysteresis for particular parameter combinations is proved. In the further treatment this approximation is again relaxed. Technological consequences of the analysis are discussed. 
  Reference    (Z. Naturforsch. 31b, 336—341 [1976]; received October 21 1975) 
  Published    1976 
  Keywords    Hydroformylation, Oxo-synthesis, System Theory, Stability Analysis, Hysteresis 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-0336.pdf 
 Identifier    ZNB-1976-31b-0336 
 Volume    31 
2Author    Hans-Christian Böttcher, Kurt Merzweiler, Clemens BruhnRequires cookie*
 Title    Synthesis and X -R a y C rysta l Structure o f the Heterobim etallic Com plex [F eR h (/x-C O )(C O )3(/i-P B u '2)(M -Ph2PC H 2PPh2)]  
 Abstract    The reaction of the phosphido-bridged metal carbonyl [FeRh(CO)ö(At-PBu2)] (1) with dppm [dppm = bis(diphenylphosphino)methane] leads to the heterobimetallic complex [FeRh(/z-CO)(CO)3()U-PBu2)(/i-dppm)] (2) in good yields. The molecular structure of 2 was determined at room temperature [triclinic, space group Pi, a = 9.509(6), b = 13.637(5), c = 14.926(8) A, q = 81.38(4), ß = 82.75(4), 7 = 71.25(4)°]. The compound acts as a homogeneous catalyst precursor in the hydroformylation reaction of ethylene, but it decomposes during this process. 
  Reference    Z. Naturforsch. 52b, 810—814 (1997); received April 15 1997 
  Published    1997 
  Keywords    Dinuclear Iron Rhodium Complex, Phosphido-Bridged, Crystal Structure, Homogeneous Catalysis, Hydroformylation 
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 TEI-XML for    default:Reihe_B/52/ZNB-1997-52b-0810.pdf 
 Identifier    ZNB-1997-52b-0810 
 Volume    52