Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... It is proposed that trimethylsilylvinylsilylene undergoes sequential rearrangement to a silacyclopropanylidene by silene to silylene isomerization of an intermediate 1-silacyclopropene. ... NMR (DCCl 3 ) δ 0.27 (s, 18H), 3.50 (s, 3H), 5.44–6.37 (m, 3H); mass spectrum (70 eV) m/e (% rel. int.) 232 ...