Palladium-mediated ring closure reactions. Facile syntheses of enantiopure bicyclic and tricyclic alkenones

Article abstract of DOI:10.1016/S0040-4020(00)00658-X

(R)-Carvone was used as a chiral building block. Regio- and stereoselective alkylations at C6 and C2 of (R)-carvone and (R)-5-isopropyl-2-methyl-2-cyclohexenone [derived from the hydrogenation of (R)-carvone] followed by palladium-mediated ring closures a