[(1S,5R,7R,9R,13R,15S,16S)-5-ethenyl-7-hydroxy-6,6,9,16-tetramethyl-3-oxo-4,17-dioxabicyclo[11.3.1]heptadec-10-yn-15-yl] acetate 在
(乙腈)[(2-联苯)二叔丁基膦]六氟锑酸金(I) 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以84%的产率得到[(3S,5S,6S,7S,11R,13R,15R)-11-ethenyl-6,12,12,15-tetramethyl-9-oxo-10,17,18-trioxatricyclo[11.3.1.13,7]octadec-1(16)-en-5-yl] acetate