(2S,3R,4S,6R)-2-(((3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-4,12,13-trihydroxy-7-methoxy-3,5,7,9,11,13-hexamethyl-2,10-dioxooxacyclotetradecan-6-yl)oxy)-6-methyl-4-(methylamino)tetrahydro-2H-pyran-3-yl benzoate 、
溶剂黄146 在
1-乙氧基-1-三甲硅氧基环丙烷 、 sodium cyanoborohydride 作用下,
以
甲醇 为溶剂,
生成 (2S,3R,4S,6R)-4-(ethyl(methyl)amino)-2-(((3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-4,12,13-trihydroxy-7-methoxy-3,5,7,9,11,13-hexamethyl-2,10-dioxooxacyclotetradecan-6-yl)oxy)-6-methyltetrahydro-2H-pyran-3-yl benzoate