Diastereoselective formation of a meso-disilane-1,2-diol - A dianionic siloxide ligand for Ti and Zr

C. Krempner, H. Reinke, K. Weichert, A. Spannenberg

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10 Scopus citations

Abstract

The meso form of (RMeSiOH)2 [R = Si(SiMe3) 3] (2) was synthesized exclusively by hydrolysis of a diastereomeric mixture of (RMeSiCl)2 (1). The novel cyclic metal disiloxides (E)-(RMeSiO)2Ti(OEt)2 (3) and [(Z)-(RMeSiO) 2]2Zr • HNEt2(4) are readily prepared from the reaction of meso-2 with Ti(OEt)4 and Zr(NEt2) 4, respectively. The results of X-ray structure analyses reveal complexes 3 and 4 to be strained five-membered ring compounds forming a dimeric structure and an adduct with diethylamine.

Original languageEnglish
Pages (from-to)2475-2479
Number of pages5
JournalPolyhedron
Volume23
Issue number16
DOIs
StatePublished - Oct 20 2004

Keywords

  • Oligosilanes
  • Silanoles
  • Siloxides
  • Titanium
  • Zirconium

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