Asymmetric synthesis of five- and six-membered lactones from chiral sulfoxides: application to the asymmetric synthesis of insect pheromones, (R)-(+)-.delta.-n-hexadecanolactone and (R)-(+)-.gamma.-n-dodecanolactone
Asymmetric synthesis of five- and six-membered lactones from chiral sulfoxides: application to the asymmetric synthesis of insect pheromones, (R)-(+)-.delta.-n-hexadecanolactone and (R)-(+)-.gamma.-n-dodecanolactone