Tebbe's reagent 、
以
四氢呋喃 为溶剂,
反应 5.0h,
以73%的产率得到[(4R,5S)-5-[(3aR,4R,6R,7aR)-6-[(1R,5R,6S)-6-[(3aR,4R,6R,7aR)-4-[(4S,5R)-2,2-dimethyl-5-(phenylmethoxymethyl)-1,3-dioxolan-4-yl]-2,2-dimethyl-4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-6-yl]-6-[tert-butyl(dimethyl)silyl]oxy-1-(methoxymethoxy)-4-methylidene-5-phenylmethoxyhexyl]-2,2-dimethyl-4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-4-yl]-2,2-dimethyl-1,3-dioxolan-4-yl]methoxy-tert-butyl-dimethylsilane