(S)-4-[(R)-2-((S)-4,5-Dimethyl-3-oxo-2,3,4,5,6,7-hexahydro-1H-inden-4-yl)-2-methoxymethoxy-ethyl]-3-hydroxy-4-methyl-hex-5-enoic acid methyl ester 在
三氟乙酸吡啶 、
二甲基亚砜 、
N,N'-二环己基碳二亚胺 作用下,
以
苯 为溶剂,
反应 93.0h,
以71%的产率得到(S)-4-[(R)-2-((S)-4,5-Dimethyl-3-oxo-2,3,4,5,6,7-hexahydro-1H-inden-4-yl)-2-methoxymethoxy-ethyl]-4-methyl-3-oxo-hex-5-enoic acid methyl ester