A method for making an optically active 3-aminopyrrolidine-2,5-dione derivative represented by the formula (3) includes cyclizing an optically active asparagine ester derivative represented by the formula (1) or (2), or an acid salt thereof. A method for making an optically active 3-aminopyrrolidine derivative represented by the formula (9) includes reducing the optically active 3-aminopyrrolidine-2,5-dione derivative represented by the formula (3). A method for making an optically active 3-aminopyrrolidine derivative includes hydrogenolyzing the optically active 3-aminopyrrolidine derivative represented by the formula (9).
一种制备光学活性的3-
氨基
吡咯啉-2,5-二酮衍
生物的方法,其
化学式为(3),包括将光学活性的
天冬氨酸酯衍
生物,其
化学式为(1)或(2),或其酸盐环化。一种制备光学活性的3-
氨基
吡咯啉衍
生物的方法,其
化学式为(9),包括还原光学活性的3-
氨基
吡咯啉-2,5-二酮衍
生物,其
化学式为(3)。一种制备光学活性的3-
氨基
吡咯啉衍
生物的方法,包括氢解光学活性的3-
氨基
吡咯啉衍
生物,其
化学式为(9)。