GEM-DISILYLCYCLOPROPANES: PREPARATION ET UTILISATION EN SYNTHESE ORGANIQUE
A simple general route for the conversion of olefins to gem-disilylcyclopropanes, involving the dichlorocyclopropanation of the double bond followed by silylation using the Me3SiCl/Li/THF reagent at 0-10 deg C, is described.Acetylation of bicyclic derivatives thus obtained constitutes an original synthesis of cycloalkylidene ketones by a process more convenient than those previously used, and also provides new acetyl dihydrofurans.
Laguerre, Michel,Grignon-Dubois, Micheline,Dunogues, Jacques
p. 1161 - 1169
(2007/10/02)
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