Darstellung und Charakterisierung von chiralen und achiralen exocyclischen π-enyl-Komplexen der Zusammensetzung (C8H13PdCl)2 / Synthesis and Characterization of Exocyclic π-Enyl Complexes of the Composition (C8H13PdCl)2
Open Access
- 1 April 1979
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 34 (4) , 579-584
- https://doi.org/10.1515/znb-1979-0410
Abstract
The mechanism of formation of the exocyclic dimeric π-enyl complex (C8H13PdCl)2 by reaction of 1,3-dimethylenecyclohexane, C8H12 with trans-PdCl2(C6H5CN)2 is discussed. Through UV, 1H NMR (90 MHz, 360 MHz) and 13C spectroscopic studies it was possible to show that the dimer is formed by the disproportionate of C8H12 to C8H14 and m-xylene, and further that it consists of diastereomeric products. The reaction of (-) R-3-methyl-1-methylencyclohexane, C8H14, with the Pd-salt confirms that during the reaction between C8H12 and trans-PdCl2(C6H5CN)2 no free C8H14 is formed in solution. Studies on cleavage reactions of the dimer are also described in this paper.Keywords
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