[(1R,2R,3R,4S,7R,10R,11R,12R)-11,12-diacetyloxy-4-hydroxy-10,14,17,17-tetramethyl-15-oxo-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] acetate 在
B(BH
4)2 作用下,
以
甲醇 为溶剂,
以65%的产率得到[(1R,2R,3R,4S,7R,10R,11R,12R,15S)-11,12-diacetyloxy-4,15-dihydroxy-10,14,17,17-tetramethyl-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] acetate