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Angew Chem Int Ed Engl. 2013 Apr 15;52(16):4302-11. doi: 10.1002/anie.201209766. Epub 2013 Mar 1.

Chemical tricks to stabilize silanones and their heavier homologues with E=O bonds (E=Si-Pb): from elusive species to isolable building blocks.

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  • 1Department of Chemistry: Metallorganics and Inorganic Materials, Technische Universit√§t Berlin, Strasse des 17. Juni 135, 10623 Berlin, Germany.

Abstract

In contrast to the well-established chemistry of ketones (R2C=O), the reactivity of the elusive heavier congeners R2E=O (E=Si, Ge, Sn, Pb) is far less explored because of the high polarity of the E=O bonds and hence their tendency to oligomerize with no activation barrier. Very recently, great advances have been achieved in the synthesis of isolable compounds with E=O bonds, including the investigation of donor-stabilized isolable silanones and the first stable "genuine" germanone. These compounds show drastically different reactivities compared to ketones and represent versatile building blocks in silicon-oxygen and germanium-oxygen chemistry. This and other exciting achievements are described in this Minireview.

Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

PMID:
23450830
[PubMed - indexed for MEDLINE]
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