[(1S,2R,5R,6R,9S,10R,13S,15R,16R,20S)-5-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-6,10-dimethyl-17-oxo-18-oxahexacyclo[13.5.2.01,9.02,6.010,15.016,20]docos-21-en-13-yl] 4-methylbenzenesulfonate 在
2,4,6-三甲基吡啶 、
甲基磺酰胺 、 AD-mix-β 作用下,
以
水 、
叔丁醇 为溶剂,
反应 340.0h,
生成 (1S,2R,5R,6R,9S,10R,12S,13R,15R,16R,20S)-5-[(2S,3R,4R,5R)-3,4-dihydroxy-5,6-dimethylheptan-2-yl]-12,13-dihydroxy-6,10-dimethyl-18-oxahexacyclo[13.5.2.01,9.02,6.010,15.016,20]docos-21-en-17-one