of relebactam is described. The key steps include a unique highly diastereoselective FeCl3·6H2O/NaBH4 reduction of a chiral oxime ether and chemoselective amidation of the resulting unprotected pipecolic acid. Nuclear magnetic resonance studies and density functional theory calculations were carried out on the substrate-Fe(III) complexes, which shed light on diastereoselective reduction.
Relebactam是一种有效的β-内酰胺酶抑制剂,与Primaxin结合使用是FDA批准的(Recarbrio)治疗,用于治疗严重且耐药的细菌感染。描述了适用于大规模制备雷巴坦的关键手性
哌啶中间体1的有效合成。关键步骤包括手性
肟醚的独特的高度非对映选择性的FeCl3·6H2O / NaBH4还原和所得未保护的哌可酸的
化学选择性酰胺化。对底物-Fe(III)配合物进行了核磁共振研究和密度泛函理论计算,这为非对映选择性还原提供了启示。