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Silicon-fluorine chemistry: From preparation of SiF2 to C-F bond activation by silylenes and its heavier congeners

Abstract

This feature article is intended to provide a background to the history of the isolation of silicon(II) fluorides and the different synthetic methodologies to generate them. Although first detected in the 1970s, the chemistry of silicon(II) fluorides has not encountered serious research efforts for a rather long time frame. This is somewhat surprising given the fact that the chemistry of compounds with divalent silicon had undergone a renaissance during last three decades. It was until recently that the interests in silicon(II) fluorides have been resparked and tremendous progress has been achieved in this area, particularlywith respect to synthetic access and structural characterisation.The successful isolation of cyclic alkyl amino carbene (cAAC)stabilizedsilicon difluoridecompleted a classic progression for SiF2, from transient intermediate to spectroscopically detected molecule to a stable compound. Related germanium(II), tin(II), and lead (II) fluoride chemistry will also be discussed. Apart from the isolation of tetrel(II) fluorides, the use of compounds with low valent group 14 elements for selective activation and functionalisation of the C-F bondhas witnessed some remarkable advances which will also be summarized in this feature article.

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Publication details

The article was received on 06 Mar 2018, accepted on 09 Apr 2018 and first published on 10 Apr 2018


Article type: Feature Article
DOI: 10.1039/C8CC01816B
Citation: Chem. Commun., 2018, Accepted Manuscript
  • Open access: Creative Commons BY license
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    Silicon-fluorine chemistry: From preparation of SiF2 to C-F bond activation by silylenes and its heavier congeners

    H. W. Roesky and S. S. Sen, Chem. Commun., 2018, Accepted Manuscript , DOI: 10.1039/C8CC01816B

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