[(4S,5R)-5-(tert-Butyl-dimethyl-silanyloxy)-4,6-dimethoxy-hex-(E)-ylidene]-((S)-2-methoxymethyl-pyrrolidin-1-yl)-amine 、
碘甲烷 在
lithium diisopropyl amide 作用下,
以
四氢呋喃 为溶剂,
以64%的产率得到[(2R,4S,5R)-5-(tert-Butyl-dimethyl-silanyloxy)-4,6-dimethoxy-2-methyl-hex-(E)-ylidene]-((S)-2-methoxymethyl-pyrrolidin-1-yl)-amine