(2S,3R,6R)-6-[(4S,5S)-2,2-dimethyl-5-prop-2-ynyl-1,3-dioxolan-4-yl]-6-[(4-methoxyphenyl)methoxy]-3-methylhex-4-en-2-ol 、
[7-[Ethyl-[(2-methylpropan-2-yl)oxycarbonyl]amino]-2,2-dimethyl-4-oxo-1,3-benzodioxin-5-yl] trifluoromethanesulfonate 在
copper(l) iodide 、
四(三苯基膦)钯 二乙胺 作用下,
以
苯 为溶剂,
反应 5.0h,
以52%的产率得到tert-butyl N-ethyl-N-[5-[3-[(4S,5S)-5-[(1R,4R,5S)-5-hydroxy-1-[(4-methoxyphenyl)methoxy]-4-methylhex-2-enyl]-2,2-dimethyl-1,3-dioxolan-4-yl]prop-1-ynyl]-2,2-dimethyl-4-oxo-1,3-benzodioxin-7-yl]carbamate