The synthesis of N-protected aspartic 1-amide and  glutamic 1-amide from aspartic and glutamic acids via regioselective  amidation of intermediate 5-oxazolidinone derivatives with aqueous  ammonia or amine is described.
                                    本发明描述了以
天冬氨酸和谷
氨酸为原料,通过 5-oxazolidinone 衍
生物中间体与
水氨或胺的区域选择性酰胺化反应,合成 N 保护的天冬 1-酰胺和谷
氨酸 1-酰胺的过程。