methyl (3S,5S)-(-)-2-methyl-5-(5-methyl-2,4-dioxo-1,2,3,4-tetrahydro-1-pyrimidinyl)-3-phenylisoxazolidine-5-carboxylate 在
红铝 作用下,
以
甲苯 为溶剂,
反应 1.0h,
以58%的产率得到(3S,5S)-(-)-[2-methyl-5-(5-methyl-2,4-dioxo-1,2,3,4-tetrahydro-1-pyrimidinyl)-3-phenylisoxazolidin-5-yl]methanol