Journal of the Chemical Society, Dalton Transactions p. 227 - 230 (1996)
Update date:2022-08-11
Topics:
Church, Simon R.
Davies, Christopher G.
Luemen, Regine
Mounier, Pierre A.
Saint, Gavin
Timms, Peter L.
The gaseous silylenes, SiX2 (X = F, Cl, Br or I), have been condensed into solutions of I2 or ICl in toluene at -90°C to give a range of new compounds of formula SiX2I(C6H4Me), demonstrating the generality of a type of reaction of silylenes first observed with SiO. All the products were mixtures of ortho, meta and para isomers but with an uncommonly high proportion of the ortho isomer in some cases. As the same iodosilane derivatives were obtained using I2 or ICl as reagents, it is proposed that the reactions involve electrophilic attack of silylium ions, SiX2I+, on the arene.
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