A Tactically Novel Alternative to Acyclic Stereoselection Based on the Concept of a Replicating Chiron - 1,3- and 1,4-C-Methyl Substitution

Article abstract of DOI:10.1016/S0040-4039(01)80904-7

A chiral 4-hydroxymethyl butenolide is used as a template for the stereocontrolled conjugate addition of a C-methyl group.A sequential two-carbon extension and reformation of a lactone with the new side-chain leads to a "replicated" butenolide, which is s