1-(tert-butyl) 2-methyl (S,Z)-3-((dimethylamino)methylene)-4-oxopyrrolidine-1 ,2-dicarboxylate 在
lanthanium (III) chloride bis(lithium chloride) complex 作用下,
以
四氢呋喃 为溶剂,
反应 1.0h,
生成
1-(tert-butyl) 2-methyl (2S,4S,E)-3-ethylidene-4-hydroxy-4-(methyl-d3)pyrrolidine-1,2-dicarboxylate