Platinum(II) complexes containing the 3,3-dimethylglutarimidate ligand

Ashwin Gopalan Nair, Oguejiofo T. Ujam, Joseph R. Lane, William Henderson*, Brian K. Nicholson

*Corresponding author for this work

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Reaction of cis-[PtCl 2(PPh 3) 2] with excess 3,3-dimethylglutarimide (dmgH) and sodium chloride in refluxing methanol gives the mono-imidate complex cis-[PtCl(dmg)(PPh 3) 2], which was structurally characterized. The plane of the imidate ligand is approximately perpendicular to the platinum coordination plane which, coupled with restricted rotation about the Pt-N bond, results in inequivalent methyl groups and CH2 protons of the dmg ligand in the room temperature 1H NMR spectrum. These observations were corroborated by a theoretical study using density functional theory methods. The analogous bromide complex cis-[PtBr(dmg)(PPh 3) 2] can be prepared by replacing NaCl with NaBr in the reaction mixture.

Original languageEnglish
Pages (from-to)3731-3739
Number of pages9
JournalJournal of Coordination Chemistry
Volume65
Issue number21
DOIs
Publication statusPublished - 10 Nov 2012
Externally publishedYes

Keywords

  • Crystal structure
  • Imidate complexes
  • Platinum complexes
  • Theoretical calculations

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