Hexacoordinate Silicon-Azomethine Complexes: Synthesis, Characterization, and Properties View Full Text


Ontology type: schema:Chapter     


Chapter Info

DATE

1999

AUTHORS

Frank Mucha , Jörg Haberecht , Uwe Böhme , Gerhard Roewer

ABSTRACT

N,N′-Ethylene-bis(2-hydroxyacetophenoneimine) = salen*H2 and N,N′-ethylene-bis(3,5-di-tert-butyl-salicylideneimine) = salen′H2 react both with SiCl4 under formation of hexacoordinate silicon compounds ((salen′)SiCl2′ salen′ = salen* or salen‡). The analogous fluoro derivatives (salen′)SiF2 have been prepared by reaction of (salen′)SiCl2 with ZnF2. X-ray structure analysis of (salen*)SiF2 clearly demonstrates the octahedral coordination of silicon. Salen* acts as a tetradentate chelating ligand, two halogen atoms remaining at the silicon atom. The reduction of (salen*)SiCl2 by alkaline metal affords polysilanes containing main chain hexacoordinate silicon. Coupling with acetylides results in polycarbosilanes with a Si-C≡C-Si backbone. More... »

PAGES

117-132

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/978-3-7091-6357-3_11

DOI

http://dx.doi.org/10.1007/978-3-7091-6357-3_11

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1011653404


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