A convenient stereoselective preparation of meso- and cis-2,6-diarylpiperidin-4-ones has been developed by aza-Diels-Alder reaction catalyzed by l-proline from simple and commercially available starting materials.
在 l-脯
氨酸的催化下,利用简单的市售起始原料,通过偶氮-Diels-Alder 反应,开发出了一种方便的立体选择性制备介-和顺-2,6-二芳基
哌啶-4-酮的方法。