(3Z,5E,7R,8S,9S,11E,13E,15S,16R)-8-hydroxy-16-[(2S,3R,4S)-3-hydroxy-4-[(2R,5R,6R)-2-hydroxy-5-methyl-4-oxo-6-propan-2-yloxan-2-yl]pentan-2-yl]-3,15-dimethoxy-5,7,9,11-tetramethyl-1-oxacyclohexadeca-3,5,11,13-tetraen-2-one 在
ammonium acetate 、 sodium cyanoborohydride 作用下,
以
甲醇 为溶剂,
反应 96.0h,
以29%的产率得到(2S,3R,4S)-3-Hydroxy-4-((4E,6E,12E,14Z)-(2R,3S,9S,10S,11R)-10-hydroxy-3,15-dimethoxy-7,9,11,13-tetramethyl-16-oxo-oxacyclohexadeca-4,6,12,14-tetraen-2-yl)-2-methyl-pentanoic acid