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Stereochemistry and mechanism of the hydrogenation of dialkyl cyclohexenes

โœ Scribed by S. Mitsui; M. Shionoya; K. Gohke; F. Watanabe; S. Imaizumi; Y. Senda


Book ID
113175143
Publisher
Elsevier Science
Year
1975
Tongue
English
Weight
495 KB
Volume
40
Category
Article
ISSN
0021-9517

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Kinetics and mechanism of the hydrogenat
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## Abstract The rate of hydrogenation of cyclohexene, catalyzed by CoH~3~(PPh~3~)~3~, has been measured under various conditions and, based on these data, a mechanism has been postulated. For the individual steps of the mechanism enthalpy and entropy differences have been determined. The interpreta

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Substituted alkyhnethylenecyclohexanes were hydrogenated over several transition metal catalysts. The ratios of the epimeric products were almost unity over freshly prepared Raney Ni but the axial Me counterparts were favoured over aged catalyst. The axial Me products were also preferred on Pt or Rh