首页> 外文期刊>Chemistry: A European journal >A Novel One-Step Approach for the Preparation of alpha-Amino Acids, alpha-Amino Amides, and Dipeptides from Azetidine-2,3-Diones
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A Novel One-Step Approach for the Preparation of alpha-Amino Acids, alpha-Amino Amides, and Dipeptides from Azetidine-2,3-Diones

机译:从氮杂环丁烷-2,3-离子的制备α-氨基酸,α-氨基酰胺和二肽的一种新颖的一步方法

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摘要

A remarkable reaction of azetidine-2,3-diones with primary as well as secondary amines, and water is presented. Simply by varying the nucleophile, an unprecedented one-step synthesis of alpha-amino acids, alpha-amino amides, and dipeptides, was developed in both the racemic and optically pure forms. The current mechanistic hypothesis invokes a concerted process involving CO extrusion. However, a stepwise pathway can also account for these novel transformations.
机译:介绍了氮杂环丁烷2,3-二酮与伯胺和仲胺以及水的显着反应。只需通过改变亲核试剂,就可以以外消旋和光学纯净形式开发出前所未有的一步合成α-氨基酸,α-氨基酰胺和二肽的方法。当前的机械假设引发了涉及CO挤出的协调过程。但是,逐步途径也可以解释这些新颖的转化。

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