In the reaction with benzaldehyde and with cyclic α,β-unsaturated ketones in the presence of Lewis acids. (E)-1-(trimethylsilyl)-2-(isopropylthio)ethylene exhibits enhanced reactivity compared to that of (E)-1-(trimethylsilyl)-hept-1-ene. Moreover depending upon the nature of the Lewis acid used, stoichiometric or catalytic pathways can be envisioned which lead to different reaction products.
Bonini B.F., Comes-Franchini M., Fochi M., Mazzanti G., Ricci A. (1997). Unusually High Reactivity of the C-Si Bond in the Lewis Acid Mediated Reactions of (E)-1-(Trimethylsilyl)-2-(isopropylthio)ethylene with Carbonyl Electrophiles. SYNLETT, 1997(6), 681-682 [10.1055/s-1997-3240].
Unusually High Reactivity of the C-Si Bond in the Lewis Acid Mediated Reactions of (E)-1-(Trimethylsilyl)-2-(isopropylthio)ethylene with Carbonyl Electrophiles
Bonini B. F.;Comes-Franchini M.;Fochi M.;Mazzanti G.;Ricci A.
1997
Abstract
In the reaction with benzaldehyde and with cyclic α,β-unsaturated ketones in the presence of Lewis acids. (E)-1-(trimethylsilyl)-2-(isopropylthio)ethylene exhibits enhanced reactivity compared to that of (E)-1-(trimethylsilyl)-hept-1-ene. Moreover depending upon the nature of the Lewis acid used, stoichiometric or catalytic pathways can be envisioned which lead to different reaction products.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
