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'Catalysis' in keywords Facet   Publication Year 1976  [X]
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1976[X]
1Author    Walter Strohmeier, Erich HitzelRequires cookie*
 Title    Katalytische Aktivität von homogenem und heterogenisiertem RhCl(PPh3)3 für die Hydrierung von Substraten ohne Solvens Catalytic Activity of Homogeneous and Heterogenized RhCl(PPh3)3 for Hydrogenation of Substrates without Solvents  
  Reference    (Z. Naturforsch. 31b, 945—947 [1976]; eingegangen am 2. März 1976) 
  Published    1976 
  Keywords    Catalysis, Hydrogenation, Rhodium 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-0945.pdf 
 Identifier    ZNB-1976-31b-0945 
 Volume    31 
2Author    Walter Strohmeier, Luise WeigeltRequires cookie*
 Title    Homogeneous Catalytic Hydrogenation of Unsaturated Compounds with H2PtCl6 + SnCl2 * 2 H20 in iso-Propanol  
 Abstract    A catalytical system for homogeneous hy-drogenation of unsaturated compounds, oper-ating under mild conditions can be prepared with H2PtCl6-SnCl2 • 2 H20 and the additives HBr and H20 in m>-propanol. Reaction rates up to 32 mMol • 1 _1 • min -1 were observed. After hydrogenation of one batch new sub-strate can be injected several times without noticeable desactivation of the system. Hy-drogenation rate of 2-tr-cis-hexene is only 0,5 times less than of 1-hexene. Mesityloxide is selectively hydrogenated regarding the double bond. 
  Reference    (Z. Naturforsch. 31b, 387—389 [1976]; eingegangen am 17. Oktober 1975) 
  Published    1976 
  Keywords    Catalysis, Hydrogenation, Unsaturated Compounds 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-0387_n.pdf 
 Identifier    ZNB-1976-31b-0387_n 
 Volume    31 
3Author    Walter Strohmeier, Magdalena PföhlerRequires cookie*
 Title    Homogeneous and Heterogeneous Catalytic Hydrogenation of Unsaturated Compounds with H2PtCl6 + SnCl2 * 2 H20 in Acetic Acid  
 Abstract    The hydrogenation catalyst, prepared by dissolving H2PtCl6 + SnCl2 • 2 H20 in acetic acid operates as a homogeneous or heteroge-neous catalyst, depending on the ratio v = Sn/Pt. Styrene is hydrogenated by the homo-geneous and heterogeneous system but cyclo-hexene only by the heterogeneous system. 
  Reference    (Z. Naturforsch. 31b, 390—392 [1976]; eingegangen am 17. Oktober/24. November 1975) 
  Published    1976 
  Keywords    Catalysis, Hydrogenation, Unsaturated Compounds 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-0390_n.pdf 
 Identifier    ZNB-1976-31b-0390_n 
 Volume    31 
4Author    Walter Strohmeier, Magdalena PföhlerRequires cookie*
 Title    Vergleich der Hydrierung ungesättigter Verbindungen mit einem homogenen und heterogenen Platin-Katalysator in Essigsäure Comparison of Hydrogenation of Unsaturated Compounds with a Homogeneous and Heterogeneous Platinum Catalyst in Acetic Acid  
 Abstract    Catalytical hydrogenation of unsaturated compounds in acetic acid with the homo-geneous catalyst prepared from H2PtCl6 + SnCl2 • 2 H20 and the heterogeneous catalyst, prepared from H2PtCl6 and H2, were carried out. A comparison of the results reveals two types of substrates, some are readily hydrogenated by the homogeneous the other ones by the heterogeneous system. Turnover numbers up to 1500 were observed. With the heterogeneous catalyst ethylbenzene is hydrogenated to ethylcyclohexane under mild conditions. 
  Reference    (Z. Naturforsch. 31b, 941—944 [1976]; eingegangen am 2. März 1976) 
  Published    1976 
  Keywords    Catalysis, Hydrogenation, Homogeneous Catalyst, Heterogeneous Catalyst 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-0941.pdf 
 Identifier    ZNB-1976-31b-0941 
 Volume    31