Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... The carbanion 3,5-arrangements involving the dihydrofuran and dihydropyran rings as migrating groups are shown to afford exclusively the [2,3]Wittig products with a remarkably high periselectivity and stereoselectivity. ... The carbanion 3,5-rearrangements involving the dihydrofuran ...
