[(1S,2R,5R,6S)-4-(7-methyl-3-methylideneoct-6-en-1-ynyl)-5-triethylsilyloxy-7-oxabicyclo[4.1.0]hept-3-en-2-yl] acetate 在
吡啶 、
氟化氢吡啶 作用下,
以
乙腈 为溶剂,
反应 0.5h,
以89%的产率得到[(1S,2R,5R,6R)-5-hydroxy-4-(7-methyl-3-methylideneoct-6-en-1-ynyl)-7-oxabicyclo[4.1.0]hept-3-en-2-yl] acetate