(2R,3S,4R)-3-(tert-butyldimethylsilanyloxy)-2,4-dimethyl-5-oxohexanoic acid methoxymethylamide 、
[(3Z,5S,6S,7R,8R,9S,11Z,13S,14R,15S,16Z)-8,14-bis[[tert-butyl(dimethyl)silyl]oxy]-5,7,9,11,13,15,17-heptamethyl-18-oxooctadeca-1,3,11,16-tetraen-6-yl] carbamate 在
三乙胺 、
(+)-二异松蒎基氯硼烷 、
甲醇 、
双氧水 作用下,
以
乙醚 为溶剂,
反应 20.0h,
生成 (3Z,5S,6S,7R,8R,9S,11Z,13S,14R,15S,16Z,18S,21R,22S,23R)-8,14,22-tris((tert-butyldimethylsilyl)oxy)-18-hydroxy-24-(methoxy(methyl)amino)-5,7,9,11,13,15,17,21,23-nonamethyl-20,24-dioxotetracosa-1,3,11,16-tetraen-6-yl carbamate