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- W2073823144 abstract "Der aus Ni(acac)2 und AlEt3 dargestellte Katalysator zeigt eine hohe Aktivität beim H-Transfer zwischen Dihydroarenen, neben dem Isomerisierungen und H/D-Austausch kaum ablaufen. Die aktive Form entsteht erst in Gegenwart des Edukts. Kinetische Untersuchungen, vor allem zur Induktionsperiode und zur Hemmung, deuten auf einen komplexen Ablauf. Der Wasserstoff wird cis-selektiv abgespalten, primär bevorzugt aus der 2-Position. Ziegler Nickel Catalysts for Hydrogen Transfer Reactions Catalysts prepared from Ni(acac)2 and AlEt3 show high catalytic activity in the hydrogen transfer between dihydroarenes, but hardly any isomerisation and H/D scrambling is observed. The active form of the catalyst is produced only in the presence of the starting material. Kinetic experiments, especially those concerning the introduction periods and the inhibition, are indicative of a complex reaction mechanism. The first hydrogen is preferentially abstracted from the 2-position, the second with complete cis selectivity." @default.
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- W2073823144 date "1989-10-01" @default.
- W2073823144 modified "2023-09-23" @default.
- W2073823144 title "Wasserstoffübertragungen, 12: Ziegler-Nickel-Katalysatoren für den Wasserstoff-Transfer" @default.
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- W2073823144 doi "https://doi.org/10.1002/cber.19891221015" @default.
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