(4-nitrophenyl) [(1S,4R,5R,6R,8R,10S,11R,12S,13R,16R,18S,21R)-4,6,12,17,17-pentamethyl-11,18-bis(triethylsilyloxy)-9-oxahexacyclo[11.9.0.01,21.04,12.05,10.016,21]docosan-8-yl]methyl carbonate 在
ammonium hydroxide 、
三氟乙酸 作用下,
以
四氢呋喃 、
乙醇 为溶剂,
生成
[(1S,4R,5R,6R,8R,10S,11R,12S,13R,16R,18S,21R)-11,18-dihydroxy-4,6,12,17,17-pentamethyl-9-oxahexacyclo[11.9.0.01,21.04,12.05,10.016,21]docosan-8-yl]methyl carbamate