(1R,2S,4E,6S,7S,8R,9S,13R)-2,13-diacetoxy-6-methoxy-4,11,11-trimethyl-7-triethylsilyloxy-12-oxatricyclo[6.3.2.0(1,9)]tridec-4-en-13-one 在
四丁基氟化铵 、
水 作用下,
以
四氢呋喃 为溶剂,
反应 7.5h,
以99%的产率得到(1R,2S,4E,6S,7S,8R,9S,13R)-2,13-diacetoxy-7-hydroxy-6-methoxy-4,11,11-trimethyl-12-oxatricyclo[6.3.2.0(1,9)]tridec-4-en-13-one