(E)-cinnamyl 3-(5-chloro-1,3-dibenzyl-2-oxo-2,3-dihydro-1H-imidazol-4-yl)-2-methyl-3-oxopropionate 在
manganese triacetate 、
溶剂黄146 作用下,
反应 2.0h,
以47%的产率得到3-(5-chloro-1,3-dibenzyl-2-oxo-2,3-dihydro-1H-imidazol-4-yl)carbonyl-3-methyl-4-[chloro(phenyl)methyl]dihydro-2(3H)-furanone