pentacarbonyl-(1-cyclopentyl-1-methoxymethylidene)chromium 、 lithium;1-[(4S)-4-benzyl-2-oxo-1,3-oxazolidin-3-yl]ethenolate 、
but-2-yn-1-ylmagnesium bromide 以
四氢呋喃 、
乙醚 为溶剂,
反应 20.75h,
生成 (4RS,6SR)-4-(buta-2,3-dien-2-yl)-6-cyclopentyl-4-hydroxy-6-methoxy-2,3-dimethyl-2-cyclohexenone 、
(4R,6S)-4-(buta-2,3-dien-2-yl)-6-cyclopentyl-4-hydroxy-6-methoxy-2,3-dimethyl-2-cyclohexenone