The present invention relates to 5-substituted hydantoins, a process for the preparation of 5-substituted hydantoins and the use of 5-substituted hydantoins in the preparation of enantiomerically enriched α-amino acids. Furthermore, the present invention relates to the preparation of pharmaceutically active products such as perindopril and ramipril using the novel 5-substituted hydantoins.
本发明涉及5-取代的海因妥因,制备5-取代的海因妥因的方法以及使用5-取代的海因妥因制备对映富集的
α-氨基酸。此外,本发明还涉及使用新型5-取代的海因妥因制备药用活性产品,如
贝那普利和
雷米普利。