Di-tert-butylcatecholate derivatives of titanocene

Pavel A. Petrov, Taisiya S. Sukhikh, Vladimir A. Nadolinny, Artem S. Bogomyakov, Yuliya A. Laricheva, Alexandr V. Piskunov

Research output: Contribution to journalArticlepeer-review

Abstract

Reaction of Cp 2 TiCl 2 (Cp = η 5 -C 5 H 5 ) with sodium 3,6-di-tert-butylcatecholate (Na 2 Cat 36 ) leads to mononuclear complex [Cp 2 TiCat 36 ], while the isomeric sodium 3,5-di-tert-butylcatecholate (Na 2 Cat 35 ) gives the mixed-valence binuclear complex [Cp 2 Ti(μ-Cat 35 ) 2 TiCp]. The latter was characterized by EPR spectroscopy and magnetic susceptibility measurements, and shown to be a Ti-centred radical. DFT calculations confirm that the unpaired electron is located on the Ti atom from the TiCp 2 fragment.

Original languageEnglish
Pages (from-to)6636-6642
Number of pages7
JournalNew Journal of Chemistry
Volume43
Issue number17
DOIs
Publication statusPublished - 7 May 2019

Keywords

  • REDOX-ACTIVE LIGANDS
  • VALENCE TAUTOMERISM
  • METAL-COMPLEXES
  • MAGNETIC-PROPERTIES
  • OXIDATIVE-ADDITION
  • CRYSTAL-STRUCTURES
  • ELECTRON-TRANSFER
  • CHEMISTRY
  • CATECHOLATE
  • APPROXIMATION

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