Issue 25, 2024

A Bis(silylene)silole – synthesis, properties and reactivity

Abstract

A 1,1-bis(silylene)silole has been synthesised by a double salt-metathesis reaction from potassium silacyclopentadienediide, K2[1], and an amidinato-stabilized silylene chloride in a 1 : 2 ratio. The red colour of the title compound is due to the lp(Si)/π*(silole) transition. This band is bathochromically shifted compared to that of other 1,1-bissilylsiloles suggesting enhanced conjugation between the silole π-system and the newly formed Si(II)–Si(IV)–Si(II) group. The bissilylene is easily oxidised by the elemental chalcogens S, Se, and Te and forms a bissilaimide by reaction with an arylazide.

Graphical abstract: A Bis(silylene)silole – synthesis, properties and reactivity

Supplementary files

Article information

Article type
Paper
Submitted
15 Apr 2024
Accepted
24 May 2024
First published
29 May 2024
This article is Open Access
Creative Commons BY license

Dalton Trans., 2024,53, 10446-10452

A Bis(silylene)silole – synthesis, properties and reactivity

C. Liu, M. Schmidtmann and T. Müller, Dalton Trans., 2024, 53, 10446 DOI: 10.1039/D4DT01112K

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