N-甲基马来酰亚胺 、
(2S,5S)-5-Ethyl-2-phenyl-oxazolidin-3-ol 以
xylene 为溶剂,
反应 0.75h,
生成 (3R,3aS,6aR)-2-(2-Hydroxy-butyl)-5-methyl-3-phenyl-tetrahydro-pyrrolo[3,4-d]isoxazole-4,6-dione 、 (3S,3aS,6aR)-2-(2-Hydroxy-butyl)-5-methyl-3-phenyl-tetrahydro-pyrrolo[3,4-d]isoxazole-4,6-dione