(4S)-4-benzyl-3-[(4S,6S,8S,9S)-9-[tert-butyl(dimethyl)silyl]oxy-4,6,8-trimethyl-11-phenylmethoxyundecanoyl]-1,3-oxazolidin-2-one 、
碘甲烷 在
sodium hexamethyldisilazane 作用下,
以
四氢呋喃 为溶剂,
生成
(4S)-4-benzyl-3-[(2S,4R,6S,8S,9S)-9-[tert-butyl(dimethyl)silyl]oxy-2,4,6,8-tetramethyl-11-phenylmethoxyundecanoyl]-1,3-oxazolidin-2-one