Department of Chemistry Michigan State University East Lansing, Michigan 48824 U.S.A.
Abstract:
Furan-terminated cationic cyclizations allylic alcohols, enones, and N-acyl iminium ions as initiators have been explored as routes to highly functionalized spiro4,5]decanes, spiro5,5]undecanes, spiro4,6]undecanes, and spiro5,6]dodecanes.