Methylchlorooligosilanes as products of the basecatalysed disproportionation of various methylchlorodisilanes

Add time:07/31/2019    Source:sciencedirect.com

The methylchlorodisilanes SiCl2MeSiCl2Me (1), SiCl2MeSiClMe2 (2) and SiClMe2SiClMe2(3) disproportionate in the presence of a basic catalyst into methylchloromonosilanes and various methylchlorooligosilanes. Oligosilanes involving up to seven silicon atoms were identified by means of 29Si-, 13C- 1H-NMR and GC-MS measurements. Formation of methylchlorooligosilanes is thoughtto take place via silylene intermediates.

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