M. Toyota et al., APHIDICOLIN SYNTHESIS-(I) - FORMAL SYNTHESIS OF (+ -)-APHIDICOLIN BY THE SUCCESSIVE INTRAMOLECULAR DIELS-ALDER REACTIONS/, Tetrahedron, 50(34), 1994, pp. 10183-10192
Formal synthesis of an antitumor and antiviral diterpene aphidicolin (
1) has been achieved. The key steps, 7-->6 and 4-->3, involve intramol
ecular Diels-Alder reaction.