Total synthesis of sollasin a and sollasin d via photocycloaddition of methyl 2,4-dioxopentanoate to methyl E-2-methyl-2-butenoate

Article abstract of DOI:10.1246/cl.1998.113

Starting from photocycloaddition of methyl 2,4-dioxopentanoate to methyl tiglate, an electron-deficient olefin, methyl-migrated monocyclofarnesyl sesquiterpenoids, d,l-sollasin a and d, antibacterial compounds, were synthesized.