Dynamic kinetic resolution (DKR) was demonstrated in the carbodiimide-mediated couplings of N-benzoyl-DLamino acids with L-amino acid esters: the yields of the D-L-peptides significantly exceeded 50% in some cases. NBenzoyl- DL-t-leucine afforded the D-L-peptide almost exclusively (up to 96% yield) in the reaction with methyl Lprolinate, which is the most efficient DKR obtained in the field of amino acids and derivatives.
动态动力学分辨法(DKR)在碳二
亚胺介导的N-苯甲酰基-DL
氨基酸与L-
氨基酸酯的偶联反应中得到了展示:在一些情况下,D-L-肽的产率显著超过50%。N-苯甲酰基-
DL-叔亮氨酸在与
L-脯氨酸甲酯的反应中几乎专一地得到了D-L-肽(产率高达96%),这是
氨基酸及其衍生物领域中获得的最有效的DKR反应。