Double dioxanone-to-dihydropyran reorganization. Construction of a C(1)-C(13) erythronolide template

Article abstract of DOI:10.1016/0040-4039(91)80599-2

Convergent, stereoselective construction of the lactate-derived bis(dioxananone) 16 and two concurrent [3,3] sigmatropic transformations thereof results in the trienic bis(dihydropyran) 2, a potential precursor of the intact C(1)-C(13) erythronolide array.