反-1-甲氧基-3-(三甲基硅氧基)-1,3-丁二烯 、 [(2R,3S,4S,5R,6R)-3,4,5-tris(2,2-dimethylpropanoyloxy)-6-(furan-3-ylmethylideneamino)oxan-2-yl]methyl 2,2-dimethylpropanoate 在
zinc(II) chloride 作用下,
以
四氢呋喃 为溶剂,
反应 0.25h,
以72%的产率得到(2R,3R,4S,5S,6R)-2-((S)-2-(furan-3-yl)-4-oxo-3,4-dihydropyridin-1(2H)-yl)-6-((pivaloyloxy)methyl)tetrahydro-2H-pyran-3,4,5-triyl tris(2,2-dimethylpropanoate)