Hydrogen rearrangements in the mass spectra of some metal complexes of β-diketones

Abstract

Hydrogen rearrangements in the mass spectra of copper(11), nickel(11), and oxovanadium(1v) complexes of pentane-2,4-dione, 3-methylpentane-2,4-dione, and 1,3-diphenylpropane-l,3-dione have been studied by deuterium labelling. The results can be interpreted in terms of stepwise reactions which may be preceded by competitive hydrogen-exchange processes.