Electrospray Mass Spectrometric Studies of Two Palladium-Allyl Complexes of the Trost Standard Ligand

Divya Agrawal, Detlef Schroeder*, David A. Sale, Guy C. Lloyd-Jones

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Two allyl-palladium(II) complexes bearing the Trost standard ligand (1), i.e., [(C(3)H(5))Pd(S,S-1)](+)CF(3)(-)SO(3)(-) and [(c-C(6)H(9))Pd(S,S-1)](+)BArF(-) (BArF(-) = [B((3,5-(CF(3))(2))C(6)H(3))(4)](-)), are investigated using electrospray ionization (ESI) mass spectrometry. Both species form abundant quasi-molecular ions [(C(3)H(5))Pd(S,S-1)](+) and [(c-C(6)H(9))Pd(S,S-1)](+), respectively. At elevated concentrations of the solutions admitted to the ESI source, significant aggregation to binuclear species is observed, which agrees with recent results from solution chemistry. Consistent with solution-phase studies, the tendency of clustering is much less pronounced for the bulky BArF(-) counterion compared to the smaller Inflate.

Original languageEnglish
Pages (from-to)3979-3986
Number of pages8
JournalOrganometallics
Volume29
Issue number17
DOIs
Publication statusPublished - 13 Sept 2010

Keywords / Materials (for Non-textual outputs)

  • GAS-PHASE
  • CHIRAL CATALYSTS
  • MODULAR LIGAND
  • WORKING MODEL
  • ESI-MS
  • IONIZATION
  • ALKYLATIONS
  • DISSOCIATION
  • COORDINATION
  • SUBSTITUTION

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