(4R,5R)-2-(10-Iodo-1,2,3,4,5,6,7,8-octahydro-1,4;5,8-dimethano-anthracen-9-yl)-4,5-diphenyl-[1,3]dioxolane 在
盐酸 、 potassium fluoride 、
copper(l) iodide 、
聚合甲醛 作用下,
生成 (1S,4R,5R,8S)-10-Trifluoromethyl-1,2,3,4,5,6,7,8-octahydro-1,4;5,8-dimethano-anthracene-9-carbaldehyde