tetramethylammonium triacetoxyborohydride 、 19-[(aminocarbonyl)oxy]-3,11,17-tris[[(1,1-dimethylethyl)dimethylsilyl]oxy]-7-hydroxy-N-methoxy-N,2,4,10,12,14,16,18,20-nonamethyl-5-oxo-21-(phenylmethoxy)-8,13-heneicosadienamide 、
rochelle salt 、
二氯甲烷 在
Brine 、
magnesium sulfate 、 crude product 、
乙酸乙酯 、
正己烷 作用下,
以
Acetonitrile aceticacid 、
乙腈 为溶剂,
反应 15.5h,
以to give 80 mg (80%) of the desired compound as a colorless oil的产率得到(2R,3S,4S,5S,7S,8Z,10S,11S,12S,13Z,16S,17R,18R,19S,20S)-19-[(aminocarbonyl)oxy]-3,11,17-tris[[(1,1-dimethylethyl)dimethylsilyl]oxy]-5,7-dihydroxy-N-methoxy-N, 2,4,10,12,14,16,18,20-nonamethyl-21-(phenylmethoxy)-8, 13-heneicosadienamide