Stereocontrolled synthesis of (-)-prezizanol,(-)-prezizaene, their epimers and (-)-allokhusiol

Article abstract of DOI:10.1016/S0040-4020(01)81359-4

(-)-Prezizanol (-)-1, (-)-prezizaene (-)-2, isolated from Eremophila georgei Diels, and their epimers, 5 and 6, were synthesized employing β-keto ester 7, readily available from (R)-(+)-pulegone, as a starting material. cis-Epimers, 5 and 6 were obtained