(3S,8S,9S,10R,13R,14S,17R)-3-[8-[4-[8-[[(3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]octoxy]-2,5-diiodophenoxy]octoxy]-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene 、
4-乙炔基苯甲醛 在
copper(l) iodide 、
四(三苯基膦)钯 、
二异丙胺 作用下,
以
甲苯 为溶剂,
反应 48.0h,
以72%的产率得到4-[2-[2,5-bis[8-[[(3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]octoxy]-4-[2-(4-formylphenyl)ethynyl]phenyl]ethynyl]benzaldehyde