Ditelluride, Terminal Tellurido, and Bis(tellurido) Motifs of Titanium

J Am Chem Soc. 2022 Jul 27;144(29):13066-13070. doi: 10.1021/jacs.2c05558. Epub 2022 Jul 14.

Abstract

Highly modular and rational syntheses of titanium compounds containing ditelluride, terminal telluride, and bis(telluride) structural motifs are disclosed in this study. Titanate anions bearing two cis and terminal telluride functionalities bound to the same metal center represent a unique example of a group 4 transition metal bis(chalcogenide) ion and are accessed in a simple, single-step procedure from Ti(III) bis(alkyl) complexes in the presence of an outer-sphere reductant and at least 3 equiv of Te0 powder. These compounds have been characterized crystallographically and spectroscopically with some preliminary reactivity reported for the anionic Ti(═Te)2 motif. We also report solution 125Te NMR spectral data in addition to theoretical studies addressing the bonding and structure for these titanate bis(tellurido) systems.

Publication types

  • Research Support, N.I.H., Extramural
  • Research Support, U.S. Gov't, Non-P.H.S.
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Magnetic Resonance Spectroscopy
  • Metals
  • Organometallic Compounds* / chemistry
  • Titanium* / chemistry

Substances

  • Metals
  • Organometallic Compounds
  • Titanium