24. Synthesis of polypropionate fragments containing tertiary-alcohol moieties. Cross-aldolisations with lithium enolates of 7-oxabicyclo[2.2.1]heptan-2-one derivatives

Article abstract of DOI:10.1002/hlca.19950780205

The Diels-Alder adduct of 2,4-dimethylfuran to l-cyanovinyl (1'R)-camphanate ((+)-(1R,2S,4R)-2-exocyano-1,5-dimethyl-7-oxabicyclo[2.2.1]hept-5-en-2 -endo-yl (1'R)-camphanate ((+)-1)) was converted into (+)-2,7-dideoxy-2,4-di-C-methyl-L-glycero- ((+)-6) an