α-ACYLAMINORADICAL ANNELATION IN THE DIASTEREOSELECTIVE SYNTHESIS OF 1- AND 5-SUBSTITUTED TETRAHYDROPYRROLOOXAZOLE AND 1-SUBSTITUTED PYRROLIZIDINE DERIVATIVES

Article abstract of DOI:10.1246/cl.1986.735

Diastereoselective synthesis of 1,8-trans-1-substituted and 5,8-trans-5-substituted tetrahydropyrrolo<1,2-c>oxazoles was achieved by an application of α-acylaminoradical cyclization at a silylated triple bond.The method was applied to an enantioselective