Oxidative addition of group 13 and 14 metal halides and alkyls to Ga(DDP) (DDP = bulky bisimidinate)

Andreas Kempter, Christian Gemel, Roland A. Fischer

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Abstract

The oxidative addition of a variety of group 13 and group 14 halides and alkyls RaMX to the mono valent group 13 bis-imidinate Ga(DDP) (DDP = 2-{(2,6-diisopropyl-phenyl)amino}-4-{(2,6-diisopropylphenyl)imino}-2-pentene) is reported. Accordingly, the insertion of Ga(DDP) into the Ga-Me bond of GaMe3 yield in the complexes [{(DDP)GaMe}GaMe2] (1) and [{(DDP)GaMe}2GaMe] (2), respectively, which show a temperature-dependent equilibrium between 1 at higher temperatures and 2 at lower temperatures. In the case of GaCl3, the only isolable product is [{(DDP)GaCl}2GaCl] (3). The related reaction of SnMe 2Cl2 with Ga(DDP) yields the compound [Me 2Sn{ClGa(DDP)}2] (4), whereas SnMe4 behaves inert. In the case of SiCl4, only the monoinsertion product [Cl 3Si{ClGa(DDP)}] (5) was observed. Finally, [(CH3) 3C{ClGa(DDP)}] (6) is synthesized by insertion of Ga(DDP) into the C-Cl bond of ClC(CH3)3. All new compounds were fully characterized by elemental analysis, NMR-spectroscopy, and single-crystal X-ray diffraction analysis.

Original languageEnglish
Pages (from-to)7279-7285
Number of pages7
JournalInorganic Chemistry
Volume47
Issue number16
DOIs
StatePublished - 18 Aug 2008
Externally publishedYes

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