摘要:
An object of the present invention is to provide an optically active bicyclic γ-amino acid derivative in a high purity. The object can be attained by a mixture of compounds represented by the general formulas (I) and (I'), or a method for producing a compound represented by the general formula (VII) or a salt thereof via the compound (I):
wherein R 1 and R 2 each represent a C1-6 alkyl group or the like; and R 3 represents a cyano group or the like,
摘要翻译:本发明的目的是提供高纯度的光学活性双环-3-氨基酸衍生物。 该目的可以通过由通式(I)和(I')表示的化合物的混合物,或通过化合物(I)制备由通式(VII)表示的化合物或其盐的方法: 其中R 1和R 2各自表示C 1-6烷基等; R 3表示氰基等,