(E)-2-((4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)methylene)but-3-enal 在
(tris(6,6,7,7,8,8,8-heptafluoro-2,2-dimethyl-3,5-octadionato))ytterbium(III) 作用下,
以
甲苯 为溶剂,
反应 16.0h,
生成 ethyl 2-(2-ethoxy-7,9-dioxo-8-phenyl-2,3,5,6,6a,7,8,9,9a,9b-decahydropyrano[2,3-e]isoindol-5-yl)-2-hydroxyacetate