Js. Panek et al., DIASTEREOSELECTIVITY IN CYCLOPROPANATION AND EPOXIDATION REACTIONS OFCHIRAL (E)-CROTYLSILANES - ASYMMETRIC-SYNTHESIS OF SUBSTITUTED TETRAHYDROFURANS, Tetrahedron letters, 35(35), 1994, pp. 6453-6456
Functionalized (E)-crotylsilanes 1 bearing a bis-homoallylic hydroxyl
group undergo diastereoselective cyclopropanation and epoxidation reac
tions to produce substituted tetrahydrofurans 3 and 5 respectively aft
er an acid catalyzed heterocyclization.