Iodine-induced cyclisations of (E)- and (Z)-3-hydroxy-5-alkenoates: Stereoselective approaches to trisubstituted tetrahydrofurans
作者:Frank Bennett、Simon B. Bedford、Kathryn E. Bell、Garry Fenton、David W. Knight、Duncan Shaw
DOI:10.1016/s0040-4039(00)79028-9
日期:1992.10
Iodoetherification of the ()-3-hydroxy-5-alkenoates 4 leads exclusively to the hydroxytetrahydrofurans 5 whereas similar cyclisations of the corresponding ()-isomers [10, 13 and 15] give largely the iodo-tetrahydrofurans [11, 14 and 16].