Total synthesis of (all-E,2R,6R,2'R,6'R)- and (all-E,2R,6S,2'R,6'S)-2,2'-bis(4-hydroxy-3-methylbut-2-enyl)-γ,γ-car otene (Sarcinaxanthin)

Article abstract of DOI:10.1002/hlca.19970800315

The synthesis of sarcinaxanthin ((2R,6R,2'R,6'R)-1), a symmetrical C₅₀-carotenoid with two γ-end groups, isolated from Sarcina lutea and from Cellulomonas biazotea as major pigment, was based on the strategy C₂₀ + C₁₀ + C<