1,2-Epoxycarotinoide 5. Mitteilung,Synthese von (S)-1,2-Epoxy-1,2,7,8,7′,8′-hexahydro-Ψ, Ψ-carotin ((S)-1,2-Epoxy-1,2-dihydro-ζ-carotin)

1,2-Epoxycarotenoids, Synthesis of (S)-1,2-Epoxy-1,7,8,7′,8′-hexahydro-Ψ, Ψ-carotene ((S)-1,2-Epoxy-1,2-dihydro-ζ-carotene) The synthesis of (S)-1,2-Epoxy-1,2-dihydro-ζ-carotene ((all-E,S)- 1 ) using (E,E)-farnesol (3) as starting material, and a Sharpless epoxidation as key step is described.