An optically active β-aminocarbonyl compound is obtained by a Mannich reaction between an aldimine in which: nitrogen is protected and a malonic acid diester, in the presence of optically active BINOL and dialkyl magnesium (in which two alkyl groups are the same or different) in an amount 1 to 2 molar times the amount of the BINOL.
通过在氮原子被保护的醛
亚胺和
丙二酸二酯之间进行Mannich反应,使用具有光学活性的BINOL和二烷基
镁(其中两个烷基基团相同或不同)在1到2摩尔倍数的量下,可以得到一种具有光学活性的β-
氨基羰基化合物。