Synthesis of labile all-trans-7,8,7′,8′-bis-acetylenic carotenoids by bi-directional Horner–Wadsworth–Emmons condensation
作者:Belén Vaz、Noelia Fontán、Marta Castiñeira、Rosana Álvarez、Ángel R. de Lera
DOI:10.1039/c4ob02144d
日期:——
Two symmetrical C7,C8-acetylenic carotenoids have been stereoselectively prepared using a bi-directional Horner–Wadsworth–Emmons condensation of the C10-dialdehyde and C15-phosphonates.