在
sodium tetrahydroborate 作用下,
以
异丙醇 为溶剂,
以79%的产率得到[(2S,3R,4S,6R)-4-(dimethylamino)-2-[[(1R,2R,5R,6S,7S,8R,9R,11R,12S,13S,14R)-2-ethyl-9,12-dihydroxy-6-[(2S,4S,6S)-4-methoxy-4,6-dimethyloxan-2-yl]oxy-1,5,7,9,11,13-hexamethyl-4,16-dioxo-3,15,17-trioxabicyclo[12.3.0]heptadecan-8-yl]oxy]-6-methyloxan-3-yl] acetate