Übergangsmetallkomplexe : V. Über eine einfache synthese des phenyl-cyclooctatetraens und dessen liganden-eigenschaften gegenüber nullwertigem nickel

Butyl- and phenylcyclooctatetraene can be prepared in good yield by reaction of 2 equivalents of an organolithium complex with cyclooctatetraene followed by oxidation. In the case of phenylcyclooctatetrane, the intermediate dilithium salt could be isolated. The crystal structures of the 2:1 and 1:1 complexes formed by phenylcyclooctatetraene with zerovalent nickel have been determined by X-ray methods.