Facile synthesis of 1,4-benzodiazepin-3-ones from o-bromobenzylamines and amino acids via a cascade coupling/condensation process
作者:Hexiang Wang、Yongwen Jiang、Kun Gao、Dawei Ma
DOI:10.1016/j.tet.2009.06.104
日期:2009.10
with DPPA) provides 1,4-benzodiazepin-3-ones in moderate yields. Using l-proline and l-valine as the starting materials enantiopure products are obtained although partial racemization occurs for other amino acids.