cis 1,3-Dibenzyl-4-(1'-hydroxy-2'-diphenylphosphinoylethyl)-5-hydroxymethylimidazolidin-2-one 在
sodium hydride 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 2.0h,
生成 cis 1,3-Dibenzyl-4-diphenylphosphinoylmethyl-2,3,3a,4,6,6a-hexahydrofuro<3,4-d>imidazol-2-one 、
cis 1,3-Dibenzyl-4-diphenylphosphinoylmethyl-2,3,3a,4,6,6a-hexahydrofuro<3,4-d>imidazol-2-one