Absolute Konfiguration von β,ε‐Carotin‐2‐ol, β,β‐Carotin‐2‐ol und β,β‐Carotin‐2,2′‐diol

Abstract
By chemical degradation and application of the modified Horeau method the xanthophylls of Trentepohlia iolithus, namely 1a, 2a and 3a, have been shown to possess the (2 R, 6′ R)‐, (2R)‐, and (2R, 2′ R)‐configurations respectively.