Synthesis of enantiomerically pure bi- and tricyclic lactones with quaternary chiral centers

Article abstract of DOI:10.1016/S0040-4039(01)93947-4

Enantiomerically pure lactones, with a quaternary chiral center, were prepared by alkylation of enantiomerically pure bi- and tricyclic menthyloxyfuranones 2a and 3.