The gas-phase ligand exchange of select magnesium and copper beta-diketonate complexes.
BACKGROUND
While much of the interest and application of beta-diketonate complexes has focused predominately on the condensed phases, we report on the prevalence of gas-phase ligand exchange reactions leading to the formation of novel species.


METHODS
Gas-phase ligand exchange reactions of Mg(eeac)2and Mg(tftm)2complexes with Cu(acac)2, Cu(tftm)2, Cu(dbm)2, and Cu(eeac)2were investigated using a direct insertion electron impact triple quadrupole mass spectrometer. The collision cell of the triple quadrupole mass spectrometer was also employed to examine the gas-phase reactions between mass-selected ions and specific neutral target compounds.


RESULTS
The gas-phase mixed ligand products of [Mg(acac)(eeac)]+, [Cu(acac)(eeac)]+, [Mg(eeac)(tftm)]+, [Cu(eeac)(tftm)]+, [Mg(acac)(tftm)]+, and [Mg(dbm)(tftm)]+were formed following the co-sublimation of hetero-metal precursors and are reported herein for the first time. The corresponding fragmentation patterns of the precursor and mixed ligand species are also presented.


CONCLUSIONS
Several gas-phase ligand exchange reactions were observed leading to the formation of both mixed and complete ligand exchange products. Copyright © 2016 John Wiley & Sons, Ltd.
Department of Chemistry, Youngstown State University, Youngstown, OH, 44555, USA.
Kathleen M
KM
Fleming
Department of Chemistry, Youngstown State University, Youngstown, OH, 44555, USA.
Jennifer C
JC
Pekar
Department of Chemistry, Youngstown State University, Youngstown, OH, 44555, USA. bdleskiw@ysu.edu.
Brian D
BD
Leskiw