Optically active β-lactams of the general formula
wherein R1 is an amino or protected amino group, R2 is an organic residue bonding through a carbon atom thereof and R3 is the residue remaining after removal of the a-amino group from an optically active a-amino acid or a derivative thereof as well as a method of producing the same.
通式如下的光学活性 β-内酰胺
其中 R1 是
氨基或受保护的
氨基,R2 是通过其碳原子键合的有机残基,R3 是光学活性 a-
氨基酸或其衍
生物去除 a-
氨基后的残余物,以及生产这种物质的方法。